{ "id": "bullet_solver_chop", "name": "Bullet Solver CHOP", "displayName": "Bullet Solver CHOP", "category": "CHOP", "subcategory": "Generators", "version": "", "lastUpdated": "2025-08-07T07:49:57.789Z", "sourceFile": "C:\\Program Files\\Derivative\\TouchDesigner\\Samples\\Learn\\OfflineHelp\\https.docs.derivative.ca\\Bullet_Solver_CHOP.htm", "url": "", "description": "The Bullet Solver CHOP is used in conjunction with a Bullet Dynamics system. It outputs the solved results from a Bullet simulation and can include the results for the entire system (Bullet Solver COMP) or an individual actor (Actor COMP) within a system.", "summary": "The Bullet Solver CHOP is used in conjunction with a Bullet Dynamics system. It outputs the solved results from a Bullet simulation and can include the results for the entire system (Bullet Solver COM", "details": "", "usage": "", "tips": [], "warnings": [], "parameters": [ { "id": null, "name": "Solver or Actor COMP", "label": "Solver or Actor COMP", "group": "General", "page": "", "type": "float", "dataType": "number", "style": "", "defaultValue": null, "minValue": null, "maxValue": null, "step": null, "menuItems": [], "menuLabels": [], "allowCustom": false, "maxLength": null, "pattern": null, "isArray": false, "arraySize": 1, "dimensions": 1, "description": "From Derivative\n\t\t\n\t\t\n\t\t\n\t\t\n\t\tJump to navigation\n\t\tJump to search\n\t\t\nThe Bullet Solver is used in conjunction with a Bullet Dynamics system. It outputs the solved results from a Bullet simulation and can include the results for the entire system (Bullet Solver COMP) or an individual actor (Actor COMP) within a system. \nThe Bullet Solver can also be used with the \"Feedback \" parameter on the Bullet Solver or Actor . Bullet Solver simulation results can be grabbed using the Bullet Solver , modified, then fed back into the Bullet Solver COMP it came from. The values at the beginning of the next step of the simulation will be whatever values are in the that is fed back. This allows any data to be injected into the simulation at the beginning of the next frame (time step).\nFor example: making an actor in the simulation jump to the mouse cursor when clicked. \nOutput Channels: \n\nactor_id: the OP id of the Actor \nbody_id: the id of the body within the Actor . Actor COMPs can have multiple bodies if they are static or if instancing (see: Actor ). Body id's increment from 0 to N-1, where N is the total number of bodies in an Actor .\nactive: whether the body is active in the simulation\ncolliding: whether the body is currently colliding with another body\ncolliding_actor_id the ID of the Actor that contains the body we are colliding with\ncolliding_body_id the ID of the body we are colliding with; together with colliding_actor_id will map back to a specific body in the simulation\ntotal_collisions: the total number of collisions this body has had\nt[xyz]: the translation of the body in the given transform space\nr[xyz]: the rotation of the body in the given transform space\ns[xyz]: the scale of the body in the given transform space\nvel_t[xyz]: linear velocity of the body\nvel_r[xyz]: angular velocity of the bodySee also: Bullet Dynamics, Bullet Solver COMP, Actor COMP, Force COMP, Impulse Force COMP, Constraint COMP.\nbulletsolverCHOP_Class\n\nContents\n \n \n \n \n \n \n\n\n\n\n\n comp - A reference to either a Bullet Solver COMP or Actor COMP. If a Bullet Solver is referenced then the will output the simulation results for all of its actors. If an Actor is referenced then the will output the simulation results for only that actor.\n\n\n\n xformspace - - The space in which to output the transformation values. That is, the transform values (translation/rotation) will be outputted relative to the selected space.\n\n world - The output transform is in the world coordinate system. bulletsolver - The transform output is relative to the Bullet Solver . actor - The output transform is relative to the Actor .\n\n collisioninfo - Adds colliding, colliding_actor_id, colliding_body_id, and total_collisions channels to the . In order to track these values for a body, \"Perform Contact Test\" must be enabled on the Bullet Solver .\n\n\n\n trans - Adds translation channels to the .\n\n\n\n rot - Adds rotation channels to the .\n\n\n\n scale - Adds scale channels to the .\n\n\n\n linvel - Adds linear velocity channels to the .\n\n\n\n angvel - Adds angular velocity channels to the .\n\n\n\n rate - The sample rate of the .\n\n\n\n\n timeslice - Turning this on forces the channels to be \"Time Sliced\". A is the time between the last cook frame and the current cook frame.\n\n\n\n scope - To determine which channels get affected, some CHOPs use a string on the Common page.\n\n\n\n srselect - - Handle cases where multiple input CHOPs' sample rates are different. When Resampling occurs, the curves are interpolated according to the Interpolation Method Option, or \"Linear\" if the Interpolate Options are not available.\n\n first - Use rate of first input to resample others. max - Resample to the highest sample rate. min - Resample to the lowest sample rate. err - Doesn't accept conflicting sample rates.\n\n exportmethod - - This will determine how to connect the channel to the parameter. Refer to the Export article for more information.\n\n datindex - Uses the docked table and references the channel via the index of the channel in the . datname - Uses the docked table and references the channel via the name of the channel in the . autoname - The channel is the full destination of where to export to, such has geo1/transform1:tx.\n\n autoexportroot - This path points to the root node where all of the paths that exporting by Channel Name is : are relative to.\n\n\n\n exporttable - The used to hold the export information when using the Table Methods (See above).\n\n\n\n\n\nExtra Information for the Bullet Solver can be accessed via an Info CHOP.\n\n\n\n - Start of the interval in samples. - Number of samples in the . - The samplerate of the channels in frames per second. - Number of channels in the . - 1 if is enabled, 0 otherwise. - A count of how often the export connections have been updated.\n - Number of times the operator has cooked since the process started. - Duration of the last cook in milliseconds. - Frame number when this operator was last cooked relative to the component timeline. - Frame number when this operator was last cooked relative to the absolute time. - Time in milliseconds at which the operator started cooking in the frame it was cooked. - Time in milliseconds at which the operator finished cooking in the frame it was cooked. - 1 if operator was cooked this frame. - Number of warnings in this operator if any. - Number of errors in this operator if any.\nTouchDesigner Build: Latest\\n2022.241402021.100002019.146502018.28070before 2018.28070\nCHOPs\n• • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • \n\nAn Operator Family which operate on Channels (a sequence of numbers (Samples)) which are used for animation, audio, mathematics, simulation, logic, UI construction, and data streamed from/to devices and protocols.\n\n\n\nAn Operator Family that contains its own Network. There are sixteen 3D Object Component and ten 2D Panel Component types. See also Network Path.\n\n\n\nsamples-per-second of a CHOP. Each CHOP in your network has a sample rate. In contrast, the overall timeline has a Frame Rate, which is the number of frames to cook and display per second, generally your monitor display frequency, default 60.\n\n\n\nA Time Slice is the time from the last cook frame to the current cook frame. In CHOPs it is the set of short channels that contain the CHOP channels' samples between the last and the current cook frame.\n\n\n\nA parameter in most CHOPs that restricts which channels of that CHOP will be affected. Normally all channels of a CHOP are affected by the operator. TOPs have Channel Mask, a similar feature.\n\n\n\nExporting is the connection of CHOP channels to parameters of operators. The output of each exporting CHOP is one or more channels, active only while the CHOP Viewer is on. The current value of a channel can be exported to a parameter of any operator, overriding that parameter's value. See Parameter.\n\n\n\nAn Operator Family that manipulates text strings: multi-line text or tables. Multi-line text is often a python Script or GLSL Shader, but can be any multi-line text. Tables are rows and columns of cells, each containing a text string.\n\n\n\nThe location of an operator within the TouchDesigner environment, for example, /geo1/circle1, a node called circle1 in a component called geo1. The path / is called Root. This path is displayed at the top of every Pane, showing which Component's network you are currently in. To refer instead to a filesystem folder, directory, disk file or http: address, see Folder.\n\n\n\nEvery operator in TouchDesigner has a set of control Parameters that can be integer or floating point numbers, menus, binary toggles, text strings or operator paths, which determine the output of the operator.\n\n\n\nTouchDesigner is a hierarchy of components. \"root\" is the top-most network in the hierarchy. The Network Path or Path for root is simply /. A typical path is /project1/moviein1.\n\n\n\n\n\n\n\n\nRetrieved from \"https://docs.derivative.ca/index.php?title=Bullet_Solver_CHOP&oldid=24129\"\n\t\tCategory: CHOPs", "tooltip": "", "help": "", "units": "", "examples": [], "isReadOnly": false, "isAdvanced": false, "isHidden": false, "isAnimatable": true, "isExpression": false, "isPython": false, "dependsOn": [], "affects": [], "linkedTo": [], "expressionLanguage": "", "defaultExpression": "", "commonExpressions": [], "order": 0, "isVisible": true, "conditionalDisplay": null, "isValid": true, "validationErrors": [], "lastUpdated": "2025-08-07T07:49:57.783Z", "rawData": {}, "sourceElement": null }, { "id": null, "name": "Solver or Actor COMP", "label": "Solver or Actor COMP", "group": "General", "page": "", "type": "float", "dataType": "number", "style": "", "defaultValue": null, "minValue": null, "maxValue": null, "step": null, "menuItems": [], "menuLabels": [], "allowCustom": false, "maxLength": null, "pattern": null, "isArray": false, "arraySize": 1, "dimensions": 1, "description": "From Derivative\n\t\t\n\t\t\n\t\t\n\t\t\n\t\tJump to navigation\n\t\tJump to search\n\t\t\nThe Bullet Solver is used in conjunction with a Bullet Dynamics system. It outputs the solved results from a Bullet simulation and can include the results for the entire system (Bullet Solver COMP) or an individual actor (Actor COMP) within a system. \nThe Bullet Solver can also be used with the \"Feedback \" parameter on the Bullet Solver or Actor . Bullet Solver simulation results can be grabbed using the Bullet Solver , modified, then fed back into the Bullet Solver COMP it came from. The values at the beginning of the next step of the simulation will be whatever values are in the that is fed back. This allows any data to be injected into the simulation at the beginning of the next frame (time step).\nFor example: making an actor in the simulation jump to the mouse cursor when clicked. \nOutput Channels: \n\nactor_id: the OP id of the Actor \nbody_id: the id of the body within the Actor . Actor COMPs can have multiple bodies if they are static or if instancing (see: Actor ). Body id's increment from 0 to N-1, where N is the total number of bodies in an Actor .\nactive: whether the body is active in the simulation\ncolliding: whether the body is currently colliding with another body\ncolliding_actor_id the ID of the Actor that contains the body we are colliding with\ncolliding_body_id the ID of the body we are colliding with; together with colliding_actor_id will map back to a specific body in the simulation\ntotal_collisions: the total number of collisions this body has had\nt[xyz]: the translation of the body in the given transform space\nr[xyz]: the rotation of the body in the given transform space\ns[xyz]: the scale of the body in the given transform space\nvel_t[xyz]: linear velocity of the body\nvel_r[xyz]: angular velocity of the bodySee also: Bullet Dynamics, Bullet Solver COMP, Actor COMP, Force COMP, Impulse Force COMP, Constraint COMP.\nbulletsolverCHOP_Class\n\nContents\n \n \n \n \n \n \n\n\n\n\n\n comp - A reference to either a Bullet Solver COMP or Actor COMP. If a Bullet Solver is referenced then the will output the simulation results for all of its actors. If an Actor is referenced then the will output the simulation results for only that actor.\n\n\n\n xformspace - - The space in which to output the transformation values. That is, the transform values (translation/rotation) will be outputted relative to the selected space.\n\n world - The output transform is in the world coordinate system. bulletsolver - The transform output is relative to the Bullet Solver . actor - The output transform is relative to the Actor .\n\n collisioninfo - Adds colliding, colliding_actor_id, colliding_body_id, and total_collisions channels to the . In order to track these values for a body, \"Perform Contact Test\" must be enabled on the Bullet Solver .\n\n\n\n trans - Adds translation channels to the .\n\n\n\n rot - Adds rotation channels to the .\n\n\n\n scale - Adds scale channels to the .\n\n\n\n linvel - Adds linear velocity channels to the .\n\n\n\n angvel - Adds angular velocity channels to the .\n\n\n\n rate - The sample rate of the .\n\n\n\n\n timeslice - Turning this on forces the channels to be \"Time Sliced\". A is the time between the last cook frame and the current cook frame.\n\n\n\n scope - To determine which channels get affected, some CHOPs use a string on the Common page.\n\n\n\n srselect - - Handle cases where multiple input CHOPs' sample rates are different. When Resampling occurs, the curves are interpolated according to the Interpolation Method Option, or \"Linear\" if the Interpolate Options are not available.\n\n first - Use rate of first input to resample others. max - Resample to the highest sample rate. min - Resample to the lowest sample rate. err - Doesn't accept conflicting sample rates.\n\n exportmethod - - This will determine how to connect the channel to the parameter. Refer to the Export article for more information.\n\n datindex - Uses the docked table and references the channel via the index of the channel in the . datname - Uses the docked table and references the channel via the name of the channel in the . autoname - The channel is the full destination of where to export to, such has geo1/transform1:tx.\n\n autoexportroot - This path points to the root node where all of the paths that exporting by Channel Name is : are relative to.\n\n\n\n exporttable - The used to hold the export information when using the Table Methods (See above).\n\n\n\n\n\nExtra Information for the Bullet Solver can be accessed via an Info CHOP.\n\n\n\n - Start of the interval in samples. - Number of samples in the . - The samplerate of the channels in frames per second. - Number of channels in the . - 1 if is enabled, 0 otherwise. - A count of how often the export connections have been updated.\n - Number of times the operator has cooked since the process started. - Duration of the last cook in milliseconds. - Frame number when this operator was last cooked relative to the component timeline. - Frame number when this operator was last cooked relative to the absolute time. - Time in milliseconds at which the operator started cooking in the frame it was cooked. - Time in milliseconds at which the operator finished cooking in the frame it was cooked. - 1 if operator was cooked this frame. - Number of warnings in this operator if any. - Number of errors in this operator if any.\nTouchDesigner Build: Latest\\n2022.241402021.100002019.146502018.28070before 2018.28070\nCHOPs\n• • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • \n\nAn Operator Family which operate on Channels (a sequence of numbers (Samples)) which are used for animation, audio, mathematics, simulation, logic, UI construction, and data streamed from/to devices and protocols.\n\n\n\nAn Operator Family that contains its own Network. There are sixteen 3D Object Component and ten 2D Panel Component types. See also Network Path.\n\n\n\nsamples-per-second of a CHOP. Each CHOP in your network has a sample rate. In contrast, the overall timeline has a Frame Rate, which is the number of frames to cook and display per second, generally your monitor display frequency, default 60.\n\n\n\nA Time Slice is the time from the last cook frame to the current cook frame. In CHOPs it is the set of short channels that contain the CHOP channels' samples between the last and the current cook frame.\n\n\n\nA parameter in most CHOPs that restricts which channels of that CHOP will be affected. Normally all channels of a CHOP are affected by the operator. TOPs have Channel Mask, a similar feature.\n\n\n\nExporting is the connection of CHOP channels to parameters of operators. The output of each exporting CHOP is one or more channels, active only while the CHOP Viewer is on. The current value of a channel can be exported to a parameter of any operator, overriding that parameter's value. See Parameter.\n\n\n\nAn Operator Family that manipulates text strings: multi-line text or tables. Multi-line text is often a python Script or GLSL Shader, but can be any multi-line text. Tables are rows and columns of cells, each containing a text string.\n\n\n\nThe location of an operator within the TouchDesigner environment, for example, /geo1/circle1, a node called circle1 in a component called geo1. The path / is called Root. This path is displayed at the top of every Pane, showing which Component's network you are currently in. To refer instead to a filesystem folder, directory, disk file or http: address, see Folder.\n\n\n\nEvery operator in TouchDesigner has a set of control Parameters that can be integer or floating point numbers, menus, binary toggles, text strings or operator paths, which determine the output of the operator.\n\n\n\nTouchDesigner is a hierarchy of components. \"root\" is the top-most network in the hierarchy. The Network Path or Path for root is simply /. A typical path is /project1/moviein1.\n\n\n\n\n\n\n\n\nRetrieved from \"https://docs.derivative.ca/index.php?title=Bullet_Solver_CHOP&oldid=24129\"\n\t\tCategory: CHOPs", "tooltip": "", "help": "", "units": "", "examples": [], "isReadOnly": false, "isAdvanced": false, "isHidden": false, "isAnimatable": true, "isExpression": false, "isPython": false, "dependsOn": [], "affects": [], "linkedTo": [], "expressionLanguage": "", "defaultExpression": "", "commonExpressions": [], "order": 0, "isVisible": true, "conditionalDisplay": null, "isValid": true, "validationErrors": [], "lastUpdated": "2025-08-07T07:49:57.785Z", "rawData": {}, "sourceElement": null }, { "id": null, "name": "Solver or Actor COMP", "label": "Solver or Actor COMP", "group": "General", "page": "", "type": "float", "dataType": "number", "style": "", "defaultValue": null, "minValue": null, "maxValue": null, "step": null, "menuItems": [], "menuLabels": [], "allowCustom": false, "maxLength": null, "pattern": null, "isArray": false, "arraySize": 1, "dimensions": 1, "description": "The Bullet Solver is used in conjunction with a Bullet Dynamics system. It outputs the solved results from a Bullet simulation and can include the results for the entire system (Bullet Solver COMP) or an individual actor (Actor COMP) within a system. \nThe Bullet Solver can also be used with the \"Feedback \" parameter on the Bullet Solver or Actor . Bullet Solver simulation results can be grabbed using the Bullet Solver , modified, then fed back into the Bullet Solver COMP it came from. The values at the beginning of the next step of the simulation will be whatever values are in the that is fed back. This allows any data to be injected into the simulation at the beginning of the next frame (time step).\nFor example: making an actor in the simulation jump to the mouse cursor when clicked. \nOutput Channels: \n\nactor_id: the OP id of the Actor \nbody_id: the id of the body within the Actor . Actor COMPs can have multiple bodies if they are static or if instancing (see: Actor ). Body id's increment from 0 to N-1, where N is the total number of bodies in an Actor .\nactive: whether the body is active in the simulation\ncolliding: whether the body is currently colliding with another body\ncolliding_actor_id the ID of the Actor that contains the body we are colliding with\ncolliding_body_id the ID of the body we are colliding with; together with colliding_actor_id will map back to a specific body in the simulation\ntotal_collisions: the total number of collisions this body has had\nt[xyz]: the translation of the body in the given transform space\nr[xyz]: the rotation of the body in the given transform space\ns[xyz]: the scale of the body in the given transform space\nvel_t[xyz]: linear velocity of the body\nvel_r[xyz]: angular velocity of the bodySee also: Bullet Dynamics, Bullet Solver COMP, Actor COMP, Force COMP, Impulse Force COMP, Constraint COMP.\nbulletsolverCHOP_Class\n\nContents\n \n \n \n \n \n \n\n\n\n\n\n comp - A reference to either a Bullet Solver COMP or Actor COMP. If a Bullet Solver is referenced then the will output the simulation results for all of its actors. If an Actor is referenced then the will output the simulation results for only that actor.\n\n\n\n xformspace - - The space in which to output the transformation values. That is, the transform values (translation/rotation) will be outputted relative to the selected space.\n\n world - The output transform is in the world coordinate system. bulletsolver - The transform output is relative to the Bullet Solver . actor - The output transform is relative to the Actor .\n\n collisioninfo - Adds colliding, colliding_actor_id, colliding_body_id, and total_collisions channels to the . In order to track these values for a body, \"Perform Contact Test\" must be enabled on the Bullet Solver .\n\n\n\n trans - Adds translation channels to the .\n\n\n\n rot - Adds rotation channels to the .\n\n\n\n scale - Adds scale channels to the .\n\n\n\n linvel - Adds linear velocity channels to the .\n\n\n\n angvel - Adds angular velocity channels to the .\n\n\n\n rate - The sample rate of the .\n\n\n\n\n timeslice - Turning this on forces the channels to be \"Time Sliced\". A is the time between the last cook frame and the current cook frame.\n\n\n\n scope - To determine which channels get affected, some CHOPs use a string on the Common page.\n\n\n\n srselect - - Handle cases where multiple input CHOPs' sample rates are different. When Resampling occurs, the curves are interpolated according to the Interpolation Method Option, or \"Linear\" if the Interpolate Options are not available.\n\n first - Use rate of first input to resample others. max - Resample to the highest sample rate. min - Resample to the lowest sample rate. err - Doesn't accept conflicting sample rates.\n\n exportmethod - - This will determine how to connect the channel to the parameter. Refer to the Export article for more information.\n\n datindex - Uses the docked table and references the channel via the index of the channel in the . datname - Uses the docked table and references the channel via the name of the channel in the . autoname - The channel is the full destination of where to export to, such has geo1/transform1:tx.\n\n autoexportroot - This path points to the root node where all of the paths that exporting by Channel Name is : are relative to.\n\n\n\n exporttable - The used to hold the export information when using the Table Methods (See above).\n\n\n\n\n\nExtra Information for the Bullet Solver can be accessed via an Info CHOP.\n\n\n\n - Start of the interval in samples. - Number of samples in the . - The samplerate of the channels in frames per second. - Number of channels in the . - 1 if is enabled, 0 otherwise. - A count of how often the export connections have been updated.\n - Number of times the operator has cooked since the process started. - Duration of the last cook in milliseconds. - Frame number when this operator was last cooked relative to the component timeline. - Frame number when this operator was last cooked relative to the absolute time. - Time in milliseconds at which the operator started cooking in the frame it was cooked. - Time in milliseconds at which the operator finished cooking in the frame it was cooked. - 1 if operator was cooked this frame. - Number of warnings in this operator if any. - Number of errors in this operator if any.\nTouchDesigner Build: Latest\\n2022.241402021.100002019.146502018.28070before 2018.28070\nCHOPs\n• • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • \n\nAn Operator Family which operate on Channels (a sequence of numbers (Samples)) which are used for animation, audio, mathematics, simulation, logic, UI construction, and data streamed from/to devices and protocols.\n\n\n\nAn Operator Family that contains its own Network. There are sixteen 3D Object Component and ten 2D Panel Component types. See also Network Path.\n\n\n\nsamples-per-second of a CHOP. Each CHOP in your network has a sample rate. In contrast, the overall timeline has a Frame Rate, which is the number of frames to cook and display per second, generally your monitor display frequency, default 60.\n\n\n\nA Time Slice is the time from the last cook frame to the current cook frame. In CHOPs it is the set of short channels that contain the CHOP channels' samples between the last and the current cook frame.\n\n\n\nA parameter in most CHOPs that restricts which channels of that CHOP will be affected. Normally all channels of a CHOP are affected by the operator. TOPs have Channel Mask, a similar feature.\n\n\n\nExporting is the connection of CHOP channels to parameters of operators. The output of each exporting CHOP is one or more channels, active only while the CHOP Viewer is on. The current value of a channel can be exported to a parameter of any operator, overriding that parameter's value. See Parameter.\n\n\n\nAn Operator Family that manipulates text strings: multi-line text or tables. Multi-line text is often a python Script or GLSL Shader, but can be any multi-line text. Tables are rows and columns of cells, each containing a text string.\n\n\n\nThe location of an operator within the TouchDesigner environment, for example, /geo1/circle1, a node called circle1 in a component called geo1. The path / is called Root. This path is displayed at the top of every Pane, showing which Component's network you are currently in. To refer instead to a filesystem folder, directory, disk file or http: address, see Folder.\n\n\n\nEvery operator in TouchDesigner has a set of control Parameters that can be integer or floating point numbers, menus, binary toggles, text strings or operator paths, which determine the output of the operator.\n\n\n\nTouchDesigner is a hierarchy of components. \"root\" is the top-most network in the hierarchy. The Network Path or Path for root is simply /. A typical path is /project1/moviein1.\n\n\n\n\n\n\n\n\nRetrieved from \"https://docs.derivative.ca/index.php?title=Bullet_Solver_CHOP&oldid=24129\"", "tooltip": "", "help": "", "units": "", "examples": [], "isReadOnly": false, "isAdvanced": false, "isHidden": false, "isAnimatable": true, "isExpression": false, "isPython": false, "dependsOn": [], "affects": [], "linkedTo": [], "expressionLanguage": "", "defaultExpression": "", "commonExpressions": [], "order": 0, "isVisible": true, "conditionalDisplay": null, "isValid": true, "validationErrors": [], "lastUpdated": "2025-08-07T07:49:57.787Z", "rawData": {}, "sourceElement": null }, { "id": null, "name": "Solver or Actor COMP", "label": "Solver or Actor COMP", "group": "General", "page": "", "type": "float", "dataType": "number", "style": "", "defaultValue": null, "minValue": null, "maxValue": null, "step": null, "menuItems": [], "menuLabels": [], "allowCustom": false, "maxLength": null, "pattern": null, "isArray": false, "arraySize": 1, "dimensions": 1, "description": "comp - A reference to either a Bullet Solver COMP or Actor COMP. If a Bullet Solver is referenced then the will output the simulation results for all of its actors. If an Actor is referenced then the will output the simulation results for only that actor.", "tooltip": "", "help": "", "units": "", "examples": [], "isReadOnly": false, "isAdvanced": false, "isHidden": false, "isAnimatable": true, "isExpression": false, "isPython": false, "dependsOn": [], "affects": [], "linkedTo": [], "expressionLanguage": "", "defaultExpression": "", "commonExpressions": [], "order": 0, "isVisible": true, "conditionalDisplay": null, "isValid": true, "validationErrors": [], "lastUpdated": "2025-08-07T07:49:57.787Z", "rawData": {}, "sourceElement": null }, { "id": null, "name": "Transform Space", "label": "Transform Space", "group": "General", "page": "", "type": "float", "dataType": "number", "style": "", "defaultValue": null, "minValue": null, "maxValue": null, "step": null, "menuItems": [], "menuLabels": [], "allowCustom": false, "maxLength": null, "pattern": null, "isArray": false, "arraySize": 1, "dimensions": 1, "description": "xformspace - - The space in which to output the transformation values. That is, the transform values (translation/rotation) will be outputted relative to the selected space.\n\n world - The output transform is in the world coordinate system. bulletsolver - The transform output is relative to the Bullet Solver . actor - The output transform is relative to the Actor .", "tooltip": "", "help": "", "units": "", "examples": [], "isReadOnly": false, "isAdvanced": false, "isHidden": false, "isAnimatable": true, "isExpression": false, "isPython": false, "dependsOn": [], "affects": [], "linkedTo": [], "expressionLanguage": "", "defaultExpression": "", "commonExpressions": [], "order": 0, "isVisible": true, "conditionalDisplay": null, "isValid": true, "validationErrors": [], "lastUpdated": "2025-08-07T07:49:57.787Z", "rawData": {}, "sourceElement": null }, { "id": null, "name": "World", "label": "World", "group": "General", "page": "", "type": "float", "dataType": "number", "style": "", "defaultValue": null, "minValue": null, "maxValue": null, "step": null, "menuItems": [], "menuLabels": [], "allowCustom": false, "maxLength": null, "pattern": null, "isArray": false, "arraySize": 1, "dimensions": 1, "description": "world - The output transform is in the world coordinate system. bulletsolver - The transform output is relative to the Bullet Solver . actor - The output transform is relative to the Actor .", "tooltip": "", "help": "", "units": "", "examples": [], "isReadOnly": false, "isAdvanced": false, "isHidden": false, "isAnimatable": true, "isExpression": false, "isPython": false, "dependsOn": [], "affects": [], "linkedTo": [], "expressionLanguage": "", "defaultExpression": "", "commonExpressions": [], "order": 0, "isVisible": true, "conditionalDisplay": null, "isValid": true, "validationErrors": [], "lastUpdated": "2025-08-07T07:49:57.787Z", "rawData": {}, "sourceElement": null }, { "id": null, "name": "Collision Info", "label": "Collision Info", "group": "General", "page": "", "type": "float", "dataType": "number", "style": "", "defaultValue": null, "minValue": null, "maxValue": null, "step": null, "menuItems": [], "menuLabels": [], "allowCustom": false, "maxLength": null, "pattern": null, "isArray": false, "arraySize": 1, "dimensions": 1, "description": "collisioninfo - Adds colliding, colliding_actor_id, colliding_body_id, and total_collisions channels to the . In order to track these values for a body, \"Perform Contact Test\" must be enabled on the Bullet Solver .", "tooltip": "", "help": "", "units": "", "examples": [], "isReadOnly": false, "isAdvanced": false, "isHidden": false, "isAnimatable": true, "isExpression": false, "isPython": false, "dependsOn": [], "affects": [], "linkedTo": [], "expressionLanguage": "", "defaultExpression": "", "commonExpressions": [], "order": 0, "isVisible": true, "conditionalDisplay": null, "isValid": true, "validationErrors": [], "lastUpdated": "2025-08-07T07:49:57.787Z", "rawData": {}, "sourceElement": null }, { "id": null, "name": "Translation", "label": "Translation", "group": "General", "page": "", "type": "float", "dataType": "number", "style": "", "defaultValue": null, "minValue": null, "maxValue": null, "step": null, "menuItems": [], "menuLabels": [], "allowCustom": false, "maxLength": null, "pattern": null, "isArray": false, "arraySize": 1, "dimensions": 1, "description": "trans - Adds translation channels to the .", "tooltip": "", "help": "", "units": "", "examples": [], "isReadOnly": false, "isAdvanced": false, "isHidden": false, "isAnimatable": true, "isExpression": false, "isPython": false, "dependsOn": [], "affects": [], "linkedTo": [], "expressionLanguage": "", "defaultExpression": "", "commonExpressions": [], "order": 0, "isVisible": true, "conditionalDisplay": null, "isValid": true, "validationErrors": [], "lastUpdated": "2025-08-07T07:49:57.787Z", "rawData": {}, "sourceElement": null }, { "id": null, "name": "Rotation", "label": "Rotation", "group": "General", "page": "", "type": "float", "dataType": "number", "style": "", "defaultValue": null, "minValue": null, "maxValue": null, "step": null, "menuItems": [], "menuLabels": [], "allowCustom": false, "maxLength": null, "pattern": null, "isArray": false, "arraySize": 1, "dimensions": 1, "description": "rot - Adds rotation channels to the .", "tooltip": "", "help": "", "units": "", "examples": [], "isReadOnly": false, "isAdvanced": false, "isHidden": false, "isAnimatable": true, "isExpression": false, "isPython": false, "dependsOn": [], "affects": [], "linkedTo": [], "expressionLanguage": "", "defaultExpression": "", "commonExpressions": [], "order": 0, "isVisible": true, "conditionalDisplay": null, "isValid": true, "validationErrors": [], "lastUpdated": "2025-08-07T07:49:57.787Z", "rawData": {}, "sourceElement": null }, { "id": null, "name": "Scale", "label": "Scale", "group": "General", "page": "", "type": "float", "dataType": "number", "style": "", "defaultValue": null, "minValue": null, "maxValue": null, "step": null, "menuItems": [], "menuLabels": [], "allowCustom": false, "maxLength": null, "pattern": null, "isArray": false, "arraySize": 1, "dimensions": 1, "description": "scale - Adds scale channels to the .", "tooltip": "", "help": "", "units": "", "examples": [], "isReadOnly": false, "isAdvanced": false, "isHidden": false, "isAnimatable": true, "isExpression": false, "isPython": false, "dependsOn": [], "affects": [], "linkedTo": [], "expressionLanguage": "", "defaultExpression": "", "commonExpressions": [], "order": 0, "isVisible": true, "conditionalDisplay": null, "isValid": true, "validationErrors": [], "lastUpdated": "2025-08-07T07:49:57.787Z", "rawData": {}, "sourceElement": null }, { "id": null, "name": "Linear Velocity", "label": "Linear Velocity", "group": "General", "page": "", "type": "float", "dataType": "number", "style": "", "defaultValue": null, "minValue": null, "maxValue": null, "step": null, "menuItems": [], "menuLabels": [], "allowCustom": false, "maxLength": null, "pattern": null, "isArray": false, "arraySize": 1, "dimensions": 1, "description": "linvel - Adds linear velocity channels to the .", "tooltip": "", "help": "", "units": "", "examples": [], "isReadOnly": false, "isAdvanced": false, "isHidden": false, "isAnimatable": true, "isExpression": false, "isPython": false, "dependsOn": [], "affects": [], "linkedTo": [], "expressionLanguage": "", "defaultExpression": "", "commonExpressions": [], "order": 0, "isVisible": true, "conditionalDisplay": null, "isValid": true, "validationErrors": [], "lastUpdated": "2025-08-07T07:49:57.787Z", "rawData": {}, "sourceElement": null }, { "id": null, "name": "Angular Velocity", "label": "Angular Velocity", "group": "General", "page": "", "type": "float", "dataType": "number", "style": "", "defaultValue": null, "minValue": null, "maxValue": null, "step": null, "menuItems": [], "menuLabels": [], "allowCustom": false, "maxLength": null, "pattern": null, "isArray": false, "arraySize": 1, "dimensions": 1, "description": "angvel - Adds angular velocity channels to the .", "tooltip": "", "help": "", "units": "", "examples": [], "isReadOnly": false, "isAdvanced": false, "isHidden": false, "isAnimatable": true, "isExpression": false, "isPython": false, "dependsOn": [], "affects": [], "linkedTo": [], "expressionLanguage": "", "defaultExpression": "", "commonExpressions": [], "order": 0, "isVisible": true, "conditionalDisplay": null, "isValid": true, "validationErrors": [], "lastUpdated": "2025-08-07T07:49:57.787Z", "rawData": {}, "sourceElement": null }, { "id": null, "name": "Sample Rate", "label": "Sample Rate", "group": "General", "page": "", "type": "float", "dataType": "number", "style": "", "defaultValue": null, "minValue": null, "maxValue": null, "step": null, "menuItems": [], "menuLabels": [], "allowCustom": false, "maxLength": null, "pattern": null, "isArray": false, "arraySize": 1, "dimensions": 1, "description": "rate - The sample rate of the .", "tooltip": "", "help": "", "units": "", "examples": [], "isReadOnly": false, "isAdvanced": false, "isHidden": false, "isAnimatable": true, "isExpression": false, "isPython": false, "dependsOn": [], "affects": [], "linkedTo": [], "expressionLanguage": "", "defaultExpression": "", "commonExpressions": [], "order": 0, "isVisible": true, "conditionalDisplay": null, "isValid": true, "validationErrors": [], "lastUpdated": "2025-08-07T07:49:57.787Z", "rawData": {}, "sourceElement": null }, { "id": null, "name": "Time Slice", "label": "Time Slice", "group": "General", "page": "", "type": "float", "dataType": "number", "style": "", "defaultValue": null, "minValue": null, "maxValue": null, "step": null, "menuItems": [], "menuLabels": [], "allowCustom": false, "maxLength": null, "pattern": null, "isArray": false, "arraySize": 1, "dimensions": 1, "description": "timeslice - Turning this on forces the channels to be \"Time Sliced\". A is the time between the last cook frame and the current cook frame.", "tooltip": "", "help": "", "units": "", "examples": [], "isReadOnly": false, "isAdvanced": false, "isHidden": false, "isAnimatable": true, "isExpression": false, "isPython": false, "dependsOn": [], "affects": [], "linkedTo": [], "expressionLanguage": "", "defaultExpression": "", "commonExpressions": [], "order": 0, "isVisible": true, "conditionalDisplay": null, "isValid": true, "validationErrors": [], "lastUpdated": "2025-08-07T07:49:57.788Z", "rawData": {}, "sourceElement": null }, { "id": null, "name": "Scope", "label": "Scope", "group": "General", "page": "", "type": "float", "dataType": "number", "style": "", "defaultValue": null, "minValue": null, "maxValue": null, "step": null, "menuItems": [], "menuLabels": [], "allowCustom": false, "maxLength": null, "pattern": null, "isArray": false, "arraySize": 1, "dimensions": 1, "description": "scope - To determine which channels get affected, some CHOPs use a string on the Common page.", "tooltip": "", "help": "", "units": "", "examples": [], "isReadOnly": false, "isAdvanced": false, "isHidden": false, "isAnimatable": true, "isExpression": false, "isPython": false, "dependsOn": [], "affects": [], "linkedTo": [], "expressionLanguage": "", "defaultExpression": "", "commonExpressions": [], "order": 0, "isVisible": true, "conditionalDisplay": null, "isValid": true, "validationErrors": [], "lastUpdated": "2025-08-07T07:49:57.788Z", "rawData": {}, "sourceElement": null }, { "id": null, "name": "Sample Rate Match", "label": "Sample Rate Match", "group": "General", "page": "", "type": "float", "dataType": "number", "style": "", "defaultValue": null, "minValue": null, "maxValue": null, "step": null, "menuItems": [], "menuLabels": [], "allowCustom": false, "maxLength": null, "pattern": null, "isArray": false, "arraySize": 1, "dimensions": 1, "description": "srselect - - Handle cases where multiple input CHOPs' sample rates are different. When Resampling occurs, the curves are interpolated according to the Interpolation Method Option, or \"Linear\" if the Interpolate Options are not available.\n\n first - Use rate of first input to resample others. max - Resample to the highest sample rate. min - Resample to the lowest sample rate. err - Doesn't accept conflicting sample rates.", "tooltip": "", "help": "", "units": "", "examples": [], "isReadOnly": false, "isAdvanced": false, "isHidden": false, "isAnimatable": true, "isExpression": false, "isPython": false, "dependsOn": [], "affects": [], "linkedTo": [], "expressionLanguage": "", "defaultExpression": "", "commonExpressions": [], "order": 0, "isVisible": true, "conditionalDisplay": null, "isValid": true, "validationErrors": [], "lastUpdated": "2025-08-07T07:49:57.788Z", "rawData": {}, "sourceElement": null }, { "id": null, "name": "Resample At First Input's Rate", "label": "Resample At First Input's Rate", "group": "General", "page": "", "type": "float", "dataType": "number", "style": "", "defaultValue": null, "minValue": null, "maxValue": null, "step": null, "menuItems": [], "menuLabels": [], "allowCustom": false, "maxLength": null, "pattern": null, "isArray": false, "arraySize": 1, "dimensions": 1, "description": "first - Use rate of first input to resample others. max - Resample to the highest sample rate. min - Resample to the lowest sample rate. err - Doesn't accept conflicting sample rates.", "tooltip": "", "help": "", "units": "", "examples": [], "isReadOnly": false, "isAdvanced": false, "isHidden": false, "isAnimatable": true, "isExpression": false, "isPython": false, "dependsOn": [], "affects": [], "linkedTo": [], "expressionLanguage": "", "defaultExpression": "", "commonExpressions": [], "order": 0, "isVisible": true, "conditionalDisplay": null, "isValid": true, "validationErrors": [], "lastUpdated": "2025-08-07T07:49:57.788Z", "rawData": {}, "sourceElement": null }, { "id": null, "name": "Export Method", "label": "Export Method", "group": "General", "page": "", "type": "float", "dataType": "number", "style": "", "defaultValue": null, "minValue": null, "maxValue": null, "step": null, "menuItems": [], "menuLabels": [], "allowCustom": false, "maxLength": null, "pattern": null, "isArray": false, "arraySize": 1, "dimensions": 1, "description": "exportmethod - - This will determine how to connect the channel to the parameter. Refer to the Export article for more information.\n\n datindex - Uses the docked table and references the channel via the index of the channel in the . datname - Uses the docked table and references the channel via the name of the channel in the . autoname - The channel is the full destination of where to export to, such has geo1/transform1:tx.", "tooltip": "", "help": "", "units": "", "examples": [], "isReadOnly": false, "isAdvanced": false, "isHidden": false, "isAnimatable": true, "isExpression": false, "isPython": false, "dependsOn": [], "affects": [], "linkedTo": [], "expressionLanguage": "", "defaultExpression": "", "commonExpressions": [], "order": 0, "isVisible": true, "conditionalDisplay": null, "isValid": true, "validationErrors": [], "lastUpdated": "2025-08-07T07:49:57.788Z", "rawData": {}, "sourceElement": null }, { "id": null, "name": "DAT Table by Index", "label": "DAT Table by Index", "group": "General", "page": "", "type": "float", "dataType": "number", "style": "", "defaultValue": null, "minValue": null, "maxValue": null, "step": null, "menuItems": [], "menuLabels": [], "allowCustom": false, "maxLength": null, "pattern": null, "isArray": false, "arraySize": 1, "dimensions": 1, "description": "datindex - Uses the docked table and references the channel via the index of the channel in the . datname - Uses the docked table and references the channel via the name of the channel in the . autoname - The channel is the full destination of where to export to, such has geo1/transform1:tx.", "tooltip": "", "help": "", "units": "", "examples": [], "isReadOnly": false, "isAdvanced": false, "isHidden": false, "isAnimatable": true, "isExpression": false, "isPython": false, "dependsOn": [], "affects": [], "linkedTo": [], "expressionLanguage": "", "defaultExpression": "", "commonExpressions": [], "order": 0, "isVisible": true, "conditionalDisplay": null, "isValid": true, "validationErrors": [], "lastUpdated": "2025-08-07T07:49:57.788Z", "rawData": {}, "sourceElement": null }, { "id": null, "name": "Export Root", "label": "Export Root", "group": "General", "page": "", "type": "float", "dataType": "number", "style": "", "defaultValue": null, "minValue": null, "maxValue": null, "step": null, "menuItems": [], "menuLabels": [], "allowCustom": false, "maxLength": null, "pattern": null, "isArray": false, "arraySize": 1, "dimensions": 1, "description": "autoexportroot - This path points to the root node where all of the paths that exporting by Channel Name is : are relative to.", "tooltip": "", "help": "", "units": "", "examples": [], "isReadOnly": false, "isAdvanced": false, "isHidden": false, "isAnimatable": true, "isExpression": false, "isPython": false, "dependsOn": [], "affects": [], "linkedTo": [], "expressionLanguage": "", "defaultExpression": "", "commonExpressions": [], "order": 0, "isVisible": true, "conditionalDisplay": null, "isValid": true, "validationErrors": [], "lastUpdated": "2025-08-07T07:49:57.788Z", "rawData": {}, "sourceElement": null }, { "id": null, "name": "Export Table", "label": "Export Table", "group": "General", "page": "", "type": "float", "dataType": "number", "style": "", "defaultValue": null, "minValue": null, "maxValue": null, "step": null, "menuItems": [], "menuLabels": [], "allowCustom": false, "maxLength": null, "pattern": null, "isArray": false, "arraySize": 1, "dimensions": 1, "description": "exporttable - The used to hold the export information when using the Table Methods (See above).", "tooltip": "", "help": "", "units": "", "examples": [], "isReadOnly": false, "isAdvanced": false, "isHidden": false, "isAnimatable": true, "isExpression": false, "isPython": false, "dependsOn": [], "affects": [], "linkedTo": [], "expressionLanguage": "", "defaultExpression": "", "commonExpressions": [], "order": 0, "isVisible": true, "conditionalDisplay": null, "isValid": true, "validationErrors": [], "lastUpdated": "2025-08-07T07:49:57.788Z", "rawData": {}, "sourceElement": null } ], "parameterGroups": {}, "codeExamples": [], "pythonExamples": [], "expressions": [], "commonInputs": [], "commonOutputs": [], "relatedOperators": [], "workflowPatterns": [], "images": [], "videos": [], "assets": [], "keywords": [ "bullet", "solver", "chop", "used", "conjunction", "dynamics", "system.", "outputs", "solved" ], "tags": [ "CHOP", "TouchDesigner", "Bullet Solver CHOP" ], "searchWeight": 1, "contentHash": "", "processingDate": "2025-08-07T07:49:57.789Z", "processingVersion": "1.0.0", "isValid": true, "validationErrors": [] }