1 | import { Light } from './Light.js';
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2 |
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3 | class RectAreaLight extends Light {
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4 |
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5 | constructor( color, intensity, width = 10, height = 10 ) {
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6 |
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7 | super( color, intensity );
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8 |
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9 | this.type = 'RectAreaLight';
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10 |
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11 | this.width = width;
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12 | this.height = height;
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13 |
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14 | }
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15 |
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16 | get power() {
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17 |
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18 |
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19 | return this.intensity * this.width * this.height * Math.PI;
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20 |
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21 | }
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22 |
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23 | set power( power ) {
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24 |
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25 |
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26 | this.intensity = power / ( this.width * this.height * Math.PI );
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27 |
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28 | }
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29 |
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30 | copy( source ) {
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31 |
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32 | super.copy( source );
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33 |
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34 | this.width = source.width;
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35 | this.height = source.height;
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36 |
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37 | return this;
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38 |
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39 | }
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40 |
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41 | toJSON( meta ) {
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42 |
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43 | const data = super.toJSON( meta );
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44 |
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45 | data.object.width = this.width;
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46 | data.object.height = this.height;
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47 |
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48 | return data;
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49 |
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50 | }
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51 |
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52 | }
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53 |
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54 | RectAreaLight.prototype.isRectAreaLight = true;
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55 |
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56 | export { RectAreaLight };
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