mirror of
https://github.com/wahyd4/three.js.git
synced 2026-08-19 09:56:12 +10:00
Mr.doob
1a115ae86f
Object3D::lookAt works! (and Vector3.setRotationFromMatrix too!) Next: Object3D::translate...
121 lines
1.8 KiB
JavaScript
121 lines
1.8 KiB
JavaScript
/**
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* @author mikael emtinger / http://gomo.se/
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*/
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THREE.Bone = function( belongsToSkin ) {
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THREE.Object3D.call( this );
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this.skin = belongsToSkin;
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this.skinMatrix = new THREE.Matrix4();
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this.hasNoneBoneChildren = false;
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};
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THREE.Bone.prototype = new THREE.Object3D();
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THREE.Bone.prototype.constructor = THREE.Bone;
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THREE.Bone.prototype.supr = THREE.Object3D.prototype;
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/*
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* Update
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*/
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THREE.Bone.prototype.update = function( parentSkinMatrix, forceUpdate, camera ) {
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// update local
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if ( this.matrixAutoUpdate ) {
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forceUpdate |= this.updateMatrix();
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}
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// update skin matrix
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if ( forceUpdate || this.matrixWorldNeedsUpdate ) {
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if( parentSkinMatrix ) {
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this.skinMatrix.multiply( parentSkinMatrix, this.matrix );
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} else {
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this.skinMatrix.copy( this.matrix );
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}
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this.matrixWorldNeedsUpdate = false;
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forceUpdate = true;
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}
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// update children
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var child, i, l = this.children.length;
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if ( this.hasNoneBoneChildren ) {
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this.matrixWorld.multiply( this.skin.matrixWorld, this.skinMatrix );
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for ( i = 0; i < l; i++ ) {
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child = this.children[ i ];
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if ( ! ( child instanceof THREE.Bone ) ) {
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child.update( this.matrixWorld, true, camera );
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} else {
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child.update( this.skinMatrix, forceUpdate, camera );
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}
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}
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} else {
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for ( i = 0; i < l; i++ ) {
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this.children[ i ].update( this.skinMatrix, forceUpdate, camera );
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}
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}
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};
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/*
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* Add child
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*/
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THREE.Bone.prototype.addChild = function( child ) {
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if ( this.children.indexOf( child ) === - 1 ) {
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if ( child.parent !== undefined ) {
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child.parent.removeChild( child );
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}
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child.parent = this;
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this.children.push( child );
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if ( ! ( child instanceof THREE.Bone ) ) {
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this.hasNoneBoneChildren = true;
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}
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}
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};
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/*
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* TODO: Remove Children: see if any remaining are none-Bone
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*/
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