1 | import { Vector4 } from '../math/Vector4.js';
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2 | import { Vector3 } from '../math/Vector3.js';
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3 | import { Vector2 } from '../math/Vector2.js';
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4 | import { Color } from '../math/Color.js';
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5 |
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6 |
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7 |
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8 |
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9 |
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10 | function BufferAttribute( array, itemSize, normalized ) {
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11 |
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12 | if ( Array.isArray( array ) ) {
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13 |
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14 | throw new TypeError( 'THREE.BufferAttribute: array should be a Typed Array.' );
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15 |
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16 | }
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17 |
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18 | this.name = '';
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19 |
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20 | this.array = array;
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21 | this.itemSize = itemSize;
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22 | this.count = array !== undefined ? array.length / itemSize : 0;
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23 | this.normalized = normalized === true;
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24 |
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25 | this.dynamic = false;
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26 | this.updateRange = { offset: 0, count: - 1 };
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27 |
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28 | this.version = 0;
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29 |
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30 | }
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31 |
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32 | Object.defineProperty( BufferAttribute.prototype, 'needsUpdate', {
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33 |
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34 | set: function ( value ) {
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35 |
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36 | if ( value === true ) this.version ++;
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37 |
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38 | }
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39 |
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40 | } );
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41 |
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42 | Object.assign( BufferAttribute.prototype, {
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43 |
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44 | isBufferAttribute: true,
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45 |
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46 | onUploadCallback: function () {},
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47 |
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48 | setArray: function ( array ) {
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49 |
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50 | if ( Array.isArray( array ) ) {
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51 |
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52 | throw new TypeError( 'THREE.BufferAttribute: array should be a Typed Array.' );
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53 |
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54 | }
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55 |
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56 | this.count = array !== undefined ? array.length / this.itemSize : 0;
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57 | this.array = array;
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58 |
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59 | return this;
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60 |
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61 | },
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62 |
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63 | setDynamic: function ( value ) {
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64 |
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65 | this.dynamic = value;
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66 |
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67 | return this;
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68 |
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69 | },
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70 |
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71 | copy: function ( source ) {
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72 |
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73 | this.name = source.name;
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74 | this.array = new source.array.constructor( source.array );
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75 | this.itemSize = source.itemSize;
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76 | this.count = source.count;
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77 | this.normalized = source.normalized;
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78 |
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79 | this.dynamic = source.dynamic;
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80 |
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81 | return this;
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82 |
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83 | },
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84 |
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85 | copyAt: function ( index1, attribute, index2 ) {
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86 |
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87 | index1 *= this.itemSize;
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88 | index2 *= attribute.itemSize;
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89 |
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90 | for ( var i = 0, l = this.itemSize; i < l; i ++ ) {
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91 |
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92 | this.array[ index1 + i ] = attribute.array[ index2 + i ];
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93 |
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94 | }
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95 |
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96 | return this;
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97 |
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98 | },
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99 |
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100 | copyArray: function ( array ) {
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101 |
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102 | this.array.set( array );
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103 |
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104 | return this;
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105 |
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106 | },
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107 |
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108 | copyColorsArray: function ( colors ) {
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109 |
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110 | var array = this.array, offset = 0;
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111 |
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112 | for ( var i = 0, l = colors.length; i < l; i ++ ) {
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113 |
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114 | var color = colors[ i ];
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115 |
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116 | if ( color === undefined ) {
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117 |
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118 | console.warn( 'THREE.BufferAttribute.copyColorsArray(): color is undefined', i );
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119 | color = new Color();
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120 |
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121 | }
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122 |
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123 | array[ offset ++ ] = color.r;
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124 | array[ offset ++ ] = color.g;
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125 | array[ offset ++ ] = color.b;
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126 |
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127 | }
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128 |
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129 | return this;
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130 |
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131 | },
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132 |
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133 | copyVector2sArray: function ( vectors ) {
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134 |
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135 | var array = this.array, offset = 0;
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136 |
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137 | for ( var i = 0, l = vectors.length; i < l; i ++ ) {
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138 |
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139 | var vector = vectors[ i ];
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140 |
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141 | if ( vector === undefined ) {
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142 |
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143 | console.warn( 'THREE.BufferAttribute.copyVector2sArray(): vector is undefined', i );
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144 | vector = new Vector2();
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145 |
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146 | }
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147 |
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148 | array[ offset ++ ] = vector.x;
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149 | array[ offset ++ ] = vector.y;
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150 |
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151 | }
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152 |
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153 | return this;
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154 |
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155 | },
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156 |
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157 | copyVector3sArray: function ( vectors ) {
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158 |
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159 | var array = this.array, offset = 0;
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160 |
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161 | for ( var i = 0, l = vectors.length; i < l; i ++ ) {
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162 |
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163 | var vector = vectors[ i ];
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164 |
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165 | if ( vector === undefined ) {
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166 |
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167 | console.warn( 'THREE.BufferAttribute.copyVector3sArray(): vector is undefined', i );
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168 | vector = new Vector3();
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169 |
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170 | }
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171 |
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172 | array[ offset ++ ] = vector.x;
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173 | array[ offset ++ ] = vector.y;
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174 | array[ offset ++ ] = vector.z;
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175 |
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176 | }
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177 |
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178 | return this;
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179 |
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180 | },
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181 |
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182 | copyVector4sArray: function ( vectors ) {
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183 |
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184 | var array = this.array, offset = 0;
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185 |
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186 | for ( var i = 0, l = vectors.length; i < l; i ++ ) {
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187 |
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188 | var vector = vectors[ i ];
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189 |
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190 | if ( vector === undefined ) {
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191 |
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192 | console.warn( 'THREE.BufferAttribute.copyVector4sArray(): vector is undefined', i );
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193 | vector = new Vector4();
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194 |
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195 | }
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196 |
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197 | array[ offset ++ ] = vector.x;
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198 | array[ offset ++ ] = vector.y;
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199 | array[ offset ++ ] = vector.z;
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200 | array[ offset ++ ] = vector.w;
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201 |
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202 | }
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203 |
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204 | return this;
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205 |
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206 | },
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207 |
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208 | set: function ( value, offset ) {
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209 |
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210 | if ( offset === undefined ) offset = 0;
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211 |
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212 | this.array.set( value, offset );
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213 |
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214 | return this;
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215 |
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216 | },
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217 |
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218 | getX: function ( index ) {
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219 |
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220 | return this.array[ index * this.itemSize ];
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221 |
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222 | },
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223 |
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224 | setX: function ( index, x ) {
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225 |
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226 | this.array[ index * this.itemSize ] = x;
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227 |
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228 | return this;
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229 |
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230 | },
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231 |
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232 | getY: function ( index ) {
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233 |
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234 | return this.array[ index * this.itemSize + 1 ];
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235 |
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236 | },
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237 |
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238 | setY: function ( index, y ) {
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239 |
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240 | this.array[ index * this.itemSize + 1 ] = y;
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241 |
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242 | return this;
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243 |
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244 | },
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245 |
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246 | getZ: function ( index ) {
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247 |
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248 | return this.array[ index * this.itemSize + 2 ];
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249 |
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250 | },
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251 |
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252 | setZ: function ( index, z ) {
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253 |
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254 | this.array[ index * this.itemSize + 2 ] = z;
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255 |
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256 | return this;
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257 |
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258 | },
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259 |
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260 | getW: function ( index ) {
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261 |
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262 | return this.array[ index * this.itemSize + 3 ];
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263 |
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264 | },
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265 |
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266 | setW: function ( index, w ) {
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267 |
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268 | this.array[ index * this.itemSize + 3 ] = w;
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269 |
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270 | return this;
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271 |
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272 | },
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273 |
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274 | setXY: function ( index, x, y ) {
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275 |
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276 | index *= this.itemSize;
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277 |
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278 | this.array[ index + 0 ] = x;
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279 | this.array[ index + 1 ] = y;
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280 |
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281 | return this;
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282 |
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283 | },
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284 |
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285 | setXYZ: function ( index, x, y, z ) {
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286 |
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287 | index *= this.itemSize;
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288 |
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289 | this.array[ index + 0 ] = x;
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290 | this.array[ index + 1 ] = y;
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291 | this.array[ index + 2 ] = z;
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292 |
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293 | return this;
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294 |
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295 | },
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296 |
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297 | setXYZW: function ( index, x, y, z, w ) {
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298 |
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299 | index *= this.itemSize;
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300 |
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301 | this.array[ index + 0 ] = x;
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302 | this.array[ index + 1 ] = y;
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303 | this.array[ index + 2 ] = z;
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304 | this.array[ index + 3 ] = w;
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305 |
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306 | return this;
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307 |
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308 | },
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309 |
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310 | onUpload: function ( callback ) {
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311 |
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312 | this.onUploadCallback = callback;
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313 |
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314 | return this;
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315 |
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316 | },
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317 |
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318 | clone: function () {
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319 |
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320 | return new this.constructor( this.array, this.itemSize ).copy( this );
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321 |
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322 | }
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323 |
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324 | } );
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325 |
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326 |
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327 |
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328 | function Int8BufferAttribute( array, itemSize, normalized ) {
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329 |
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330 | BufferAttribute.call( this, new Int8Array( array ), itemSize, normalized );
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331 |
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332 | }
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333 |
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334 | Int8BufferAttribute.prototype = Object.create( BufferAttribute.prototype );
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335 | Int8BufferAttribute.prototype.constructor = Int8BufferAttribute;
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336 |
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337 |
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338 | function Uint8BufferAttribute( array, itemSize, normalized ) {
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339 |
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340 | BufferAttribute.call( this, new Uint8Array( array ), itemSize, normalized );
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341 |
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342 | }
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343 |
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344 | Uint8BufferAttribute.prototype = Object.create( BufferAttribute.prototype );
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345 | Uint8BufferAttribute.prototype.constructor = Uint8BufferAttribute;
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346 |
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347 |
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348 | function Uint8ClampedBufferAttribute( array, itemSize, normalized ) {
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349 |
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350 | BufferAttribute.call( this, new Uint8ClampedArray( array ), itemSize, normalized );
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351 |
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352 | }
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353 |
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354 | Uint8ClampedBufferAttribute.prototype = Object.create( BufferAttribute.prototype );
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355 | Uint8ClampedBufferAttribute.prototype.constructor = Uint8ClampedBufferAttribute;
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356 |
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357 |
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358 | function Int16BufferAttribute( array, itemSize, normalized ) {
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359 |
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360 | BufferAttribute.call( this, new Int16Array( array ), itemSize, normalized );
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361 |
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362 | }
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363 |
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364 | Int16BufferAttribute.prototype = Object.create( BufferAttribute.prototype );
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365 | Int16BufferAttribute.prototype.constructor = Int16BufferAttribute;
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366 |
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367 |
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368 | function Uint16BufferAttribute( array, itemSize, normalized ) {
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369 |
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370 | BufferAttribute.call( this, new Uint16Array( array ), itemSize, normalized );
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371 |
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372 | }
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373 |
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374 | Uint16BufferAttribute.prototype = Object.create( BufferAttribute.prototype );
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375 | Uint16BufferAttribute.prototype.constructor = Uint16BufferAttribute;
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376 |
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377 |
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378 | function Int32BufferAttribute( array, itemSize, normalized ) {
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379 |
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380 | BufferAttribute.call( this, new Int32Array( array ), itemSize, normalized );
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381 |
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382 | }
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383 |
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384 | Int32BufferAttribute.prototype = Object.create( BufferAttribute.prototype );
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385 | Int32BufferAttribute.prototype.constructor = Int32BufferAttribute;
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386 |
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387 |
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388 | function Uint32BufferAttribute( array, itemSize, normalized ) {
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389 |
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390 | BufferAttribute.call( this, new Uint32Array( array ), itemSize, normalized );
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391 |
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392 | }
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393 |
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394 | Uint32BufferAttribute.prototype = Object.create( BufferAttribute.prototype );
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395 | Uint32BufferAttribute.prototype.constructor = Uint32BufferAttribute;
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396 |
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397 |
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398 | function Float32BufferAttribute( array, itemSize, normalized ) {
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399 |
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400 | BufferAttribute.call( this, new Float32Array( array ), itemSize, normalized );
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401 |
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402 | }
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403 |
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404 | Float32BufferAttribute.prototype = Object.create( BufferAttribute.prototype );
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405 | Float32BufferAttribute.prototype.constructor = Float32BufferAttribute;
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406 |
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407 |
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408 | function Float64BufferAttribute( array, itemSize, normalized ) {
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409 |
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410 | BufferAttribute.call( this, new Float64Array( array ), itemSize, normalized );
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411 |
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412 | }
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413 |
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414 | Float64BufferAttribute.prototype = Object.create( BufferAttribute.prototype );
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415 | Float64BufferAttribute.prototype.constructor = Float64BufferAttribute;
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416 |
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417 |
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418 |
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419 | export {
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420 | Float64BufferAttribute,
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421 | Float32BufferAttribute,
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422 | Uint32BufferAttribute,
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423 | Int32BufferAttribute,
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424 | Uint16BufferAttribute,
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425 | Int16BufferAttribute,
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426 | Uint8ClampedBufferAttribute,
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427 | Uint8BufferAttribute,
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428 | Int8BufferAttribute,
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429 | BufferAttribute
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430 | };
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