| function HCameraElement(data,globalData,comp){ |
| this.initFrame(); |
| this.initBaseData(data,globalData,comp); |
| this.initHierarchy(); |
| var getProp = PropertyFactory.getProp; |
| this.pe = getProp(this,data.pe,0,0,this); |
| if(data.ks.p.s){ |
| this.px = getProp(this,data.ks.p.x,1,0,this); |
| this.py = getProp(this,data.ks.p.y,1,0,this); |
| this.pz = getProp(this,data.ks.p.z,1,0,this); |
| }else{ |
| this.p = getProp(this,data.ks.p,1,0,this); |
| } |
| if(data.ks.a){ |
| this.a = getProp(this,data.ks.a,1,0,this); |
| } |
| if(data.ks.or.k.length && data.ks.or.k[0].to){ |
| var i,len = data.ks.or.k.length; |
| for(i=0;i<len;i+=1){ |
| data.ks.or.k[i].to = null; |
| data.ks.or.k[i].ti = null; |
| } |
| } |
| this.or = getProp(this,data.ks.or,1,degToRads,this); |
| this.or.sh = true; |
| this.rx = getProp(this,data.ks.rx,0,degToRads,this); |
| this.ry = getProp(this,data.ks.ry,0,degToRads,this); |
| this.rz = getProp(this,data.ks.rz,0,degToRads,this); |
| this.mat = new Matrix(); |
| this._prevMat = new Matrix(); |
| this._isFirstFrame = true; |
| |
| // TODO: find a better way to make the HCamera element to be compatible with the LayerInterface and TransformInterface. |
| this.finalTransform = { |
| mProp: this |
| }; |
| } |
| extendPrototype([BaseElement, FrameElement, HierarchyElement], HCameraElement); |
| |
| HCameraElement.prototype.setup = function() { |
| var i, len = this.comp.threeDElements.length, comp; |
| for(i=0;i<len;i+=1){ |
| //[perspectiveElem,container] |
| comp = this.comp.threeDElements[i]; |
| if(comp.type === '3d') { |
| comp.perspectiveElem.style.perspective = comp.perspectiveElem.style.webkitPerspective = this.pe.v+'px'; |
| comp.container.style.transformOrigin = comp.container.style.mozTransformOrigin = comp.container.style.webkitTransformOrigin = "0px 0px 0px"; |
| comp.perspectiveElem.style.transform = comp.perspectiveElem.style.webkitTransform = 'matrix3d(1,0,0,0,0,1,0,0,0,0,1,0,0,0,0,1)'; |
| } |
| } |
| }; |
| |
| HCameraElement.prototype.createElements = function(){ |
| }; |
| |
| HCameraElement.prototype.hide = function(){ |
| }; |
| |
| HCameraElement.prototype.renderFrame = function(){ |
| var _mdf = this._isFirstFrame; |
| var i, len; |
| if(this.hierarchy){ |
| len = this.hierarchy.length; |
| for(i=0;i<len;i+=1){ |
| _mdf = this.hierarchy[i].finalTransform.mProp._mdf || _mdf; |
| } |
| } |
| if(_mdf || this.pe._mdf || (this.p && this.p._mdf) || (this.px && (this.px._mdf || this.py._mdf || this.pz._mdf)) || this.rx._mdf || this.ry._mdf || this.rz._mdf || this.or._mdf || (this.a && this.a._mdf)) { |
| this.mat.reset(); |
| |
| if(this.hierarchy){ |
| var mat; |
| len = this.hierarchy.length - 1; |
| for (i = len; i >= 0; i -= 1) { |
| var mTransf = this.hierarchy[i].finalTransform.mProp; |
| this.mat.translate(-mTransf.p.v[0],-mTransf.p.v[1],mTransf.p.v[2]); |
| this.mat.rotateX(-mTransf.or.v[0]).rotateY(-mTransf.or.v[1]).rotateZ(mTransf.or.v[2]); |
| this.mat.rotateX(-mTransf.rx.v).rotateY(-mTransf.ry.v).rotateZ(mTransf.rz.v); |
| this.mat.scale(1/mTransf.s.v[0],1/mTransf.s.v[1],1/mTransf.s.v[2]); |
| this.mat.translate(mTransf.a.v[0],mTransf.a.v[1],mTransf.a.v[2]); |
| } |
| } |
| if (this.p) { |
| this.mat.translate(-this.p.v[0],-this.p.v[1],this.p.v[2]); |
| } else { |
| this.mat.translate(-this.px.v,-this.py.v,this.pz.v); |
| } |
| if (this.a) { |
| var diffVector |
| if (this.p) { |
| diffVector = [this.p.v[0] - this.a.v[0], this.p.v[1] - this.a.v[1], this.p.v[2] - this.a.v[2]]; |
| } else { |
| diffVector = [this.px.v - this.a.v[0], this.py.v - this.a.v[1], this.pz.v - this.a.v[2]]; |
| } |
| var mag = Math.sqrt(Math.pow(diffVector[0],2)+Math.pow(diffVector[1],2)+Math.pow(diffVector[2],2)); |
| //var lookDir = getNormalizedPoint(getDiffVector(this.a.v,this.p.v)); |
| var lookDir = [diffVector[0]/mag,diffVector[1]/mag,diffVector[2]/mag]; |
| var lookLengthOnXZ = Math.sqrt( lookDir[2]*lookDir[2] + lookDir[0]*lookDir[0] ); |
| var m_rotationX = (Math.atan2( lookDir[1], lookLengthOnXZ )); |
| var m_rotationY = (Math.atan2( lookDir[0], -lookDir[2])); |
| this.mat.rotateY(m_rotationY).rotateX(-m_rotationX); |
| |
| } |
| this.mat.rotateX(-this.rx.v).rotateY(-this.ry.v).rotateZ(this.rz.v); |
| this.mat.rotateX(-this.or.v[0]).rotateY(-this.or.v[1]).rotateZ(this.or.v[2]); |
| this.mat.translate(this.globalData.compSize.w/2,this.globalData.compSize.h/2,0); |
| this.mat.translate(0,0,this.pe.v); |
| |
| |
| |
| |
| var hasMatrixChanged = !this._prevMat.equals(this.mat); |
| if((hasMatrixChanged || this.pe._mdf) && this.comp.threeDElements) { |
| len = this.comp.threeDElements.length; |
| var comp; |
| for(i=0;i<len;i+=1){ |
| comp = this.comp.threeDElements[i]; |
| if(comp.type === '3d') { |
| if(hasMatrixChanged) { |
| comp.container.style.transform = comp.container.style.webkitTransform = this.mat.toCSS(); |
| } |
| if(this.pe._mdf) { |
| comp.perspectiveElem.style.perspective = comp.perspectiveElem.style.webkitPerspective = this.pe.v+'px'; |
| } |
| } |
| } |
| this.mat.clone(this._prevMat); |
| } |
| } |
| this._isFirstFrame = false; |
| }; |
| |
| HCameraElement.prototype.prepareFrame = function(num) { |
| this.prepareProperties(num, true); |
| }; |
| |
| HCameraElement.prototype.destroy = function(){ |
| }; |
| HCameraElement.prototype.getBaseElement = function(){return null;}; |