|
|
@@ -40173,6 +40173,7 @@ PointLightHelper.prototype.update = function () {
|
|
|
|
|
|
/**
|
|
|
* @author abelnation / http://github.com/abelnation
|
|
|
+ * @author Mugen87 / http://github.com/Mugen87
|
|
|
*/
|
|
|
|
|
|
function RectAreaLightHelper( light ) {
|
|
|
@@ -40182,37 +40183,28 @@ function RectAreaLightHelper( light ) {
|
|
|
this.light = light;
|
|
|
this.light.updateMatrixWorld();
|
|
|
|
|
|
- this.lightMat = new MeshBasicMaterial( {
|
|
|
+ var materialFront = new MeshBasicMaterial( {
|
|
|
color: light.color,
|
|
|
fog: false
|
|
|
} );
|
|
|
|
|
|
- this.lightWireMat = new MeshBasicMaterial( {
|
|
|
+ var materialBack = new MeshBasicMaterial( {
|
|
|
color: light.color,
|
|
|
fog: false,
|
|
|
wireframe: true
|
|
|
} );
|
|
|
|
|
|
- var hx = this.light.width / 2.0;
|
|
|
- var hy = this.light.height / 2.0;
|
|
|
+ var geometry = new BufferGeometry();
|
|
|
|
|
|
- this.lightShape = new ShapeBufferGeometry( new Shape( [
|
|
|
- new Vector3( - hx, hy, 0 ),
|
|
|
- new Vector3( hx, hy, 0 ),
|
|
|
- new Vector3( hx, - hy, 0 ),
|
|
|
- new Vector3( - hx, - hy, 0 )
|
|
|
- ] ) );
|
|
|
+ geometry.addAttribute( 'position', new BufferAttribute( new Float32Array( 6 * 3 ), 3 ) );
|
|
|
|
|
|
// shows the "front" of the light, e.g. where light comes from
|
|
|
|
|
|
- this.lightMesh = new Mesh( this.lightShape, this.lightMat );
|
|
|
+ this.add( new Mesh( geometry, materialFront ) );
|
|
|
|
|
|
// shows the "back" of the light, which does not emit light
|
|
|
|
|
|
- this.lightWireMesh = new Mesh( this.lightShape, this.lightWireMat );
|
|
|
-
|
|
|
- this.add( this.lightMesh );
|
|
|
- this.add( this.lightWireMesh );
|
|
|
+ this.add( new Mesh( geometry, materialBack ) );
|
|
|
|
|
|
this.update();
|
|
|
|
|
|
@@ -40223,51 +40215,66 @@ RectAreaLightHelper.prototype.constructor = RectAreaLightHelper;
|
|
|
|
|
|
RectAreaLightHelper.prototype.dispose = function () {
|
|
|
|
|
|
- this.lightMesh.geometry.dispose();
|
|
|
- this.lightMesh.material.dispose();
|
|
|
- this.lightWireMesh.geometry.dispose();
|
|
|
- this.lightWireMesh.material.dispose();
|
|
|
+ this.children[ 0 ].geometry.dispose();
|
|
|
+ this.children[ 0 ].material.dispose();
|
|
|
+ this.children[ 1 ].geometry.dispose();
|
|
|
+ this.children[ 1 ].material.dispose();
|
|
|
|
|
|
};
|
|
|
|
|
|
RectAreaLightHelper.prototype.update = function () {
|
|
|
|
|
|
- var vector = new Vector3();
|
|
|
+ var vector1 = new Vector3();
|
|
|
var vector2 = new Vector3();
|
|
|
|
|
|
- // TODO (abelnation) why not just make light helpers a child of the light object?
|
|
|
- if ( this.light.target ) {
|
|
|
+ return function update() {
|
|
|
|
|
|
- vector.setFromMatrixPosition( this.light.matrixWorld );
|
|
|
- vector2.setFromMatrixPosition( this.light.target.matrixWorld );
|
|
|
+ var mesh1 = this.children[ 0 ];
|
|
|
+ var mesh2 = this.children[ 1 ];
|
|
|
|
|
|
- var lookVec = vector2.clone().sub( vector );
|
|
|
- this.lightMesh.lookAt( lookVec );
|
|
|
- this.lightWireMesh.lookAt( lookVec );
|
|
|
+ if ( this.light.target ) {
|
|
|
|
|
|
- }
|
|
|
+ vector1.setFromMatrixPosition( this.light.matrixWorld );
|
|
|
+ vector2.setFromMatrixPosition( this.light.target.matrixWorld );
|
|
|
|
|
|
- this.lightMesh.material.color.copy( this.light.color ).multiplyScalar( this.light.intensity );
|
|
|
- this.lightWireMesh.material.color.copy( this.light.color ).multiplyScalar( this.light.intensity );
|
|
|
+ var lookVec = vector2.clone().sub( vector1 );
|
|
|
+ mesh1.lookAt( lookVec );
|
|
|
+ mesh2.lookAt( lookVec );
|
|
|
|
|
|
- var oldShape = this.lightShape;
|
|
|
+ }
|
|
|
|
|
|
- var hx = this.light.width / 2.0;
|
|
|
- var hy = this.light.height / 2.0;
|
|
|
+ // update materials
|
|
|
|
|
|
- this.lightShape = new ShapeBufferGeometry( new Shape( [
|
|
|
- new Vector3( - hx, hy, 0 ),
|
|
|
- new Vector3( hx, hy, 0 ),
|
|
|
- new Vector3( hx, - hy, 0 ),
|
|
|
- new Vector3( - hx, - hy, 0 )
|
|
|
- ] ) );
|
|
|
+ mesh1.material.color.copy( this.light.color ).multiplyScalar( this.light.intensity );
|
|
|
+ mesh2.material.color.copy( this.light.color ).multiplyScalar( this.light.intensity );
|
|
|
|
|
|
- this.lightMesh.geometry = this.lightShape;
|
|
|
- this.lightWireMesh.geometry = this.lightShape;
|
|
|
+ // calculate new dimensions of the helper
|
|
|
|
|
|
- oldShape.dispose();
|
|
|
+ var hx = this.light.width * 0.5;
|
|
|
+ var hy = this.light.height * 0.5;
|
|
|
|
|
|
-};
|
|
|
+ // because the buffer attribute is shared over both geometries, we only have to update once
|
|
|
+
|
|
|
+ var position = mesh1.geometry.getAttribute( 'position' );
|
|
|
+ var array = position.array;
|
|
|
+
|
|
|
+ // first face
|
|
|
+
|
|
|
+ array[ 0 ] = hx; array[ 1 ] = - hy; array[ 2 ] = 0;
|
|
|
+ array[ 3 ] = hx; array[ 4 ] = hy; array[ 5 ] = 0;
|
|
|
+ array[ 6 ] = - hx; array[ 7 ] = hy; array[ 8 ] = 0;
|
|
|
+
|
|
|
+ // second face
|
|
|
+
|
|
|
+ array[ 9 ] = - hx; array[ 10 ] = hy; array[ 11 ] = 0;
|
|
|
+ array[ 12 ] = - hx; array[ 13 ] = - hy; array[ 14 ] = 0;
|
|
|
+ array[ 15 ] = hx; array[ 16 ] = - hy; array[ 17 ] = 0;
|
|
|
+
|
|
|
+ position.needsUpdate = true;
|
|
|
+
|
|
|
+ };
|
|
|
+
|
|
|
+}();
|
|
|
|
|
|
/**
|
|
|
* @author alteredq / http://alteredqualia.com/
|
Mr.doob