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PO
 

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    <p>Since sunday I'm trying to solve the same problem. Although there is much information in the www, I wasn't able to get it working on my example-program. As soon as I solve it, I'll post my example in here.</p> <p>My last try was to use the glu-unProject port for webGL. This one needs the following parameters:</p> <blockquote> <p>function(winX, winY, winZ, model, proj, view, objPos)</p> </blockquote> <p>I've tried to call this function directly from my scene-drawing function for testing purposes.</p> <pre><code>var pMatrix = new mat4.ortho(iL, iR, iB, iT, fNearZ, farZ); var mvMatrix = new mat4.create(); mat4.identity(mvMatrix); mat4.translate(mvMatrix,[0,0,-40]); var oMouseMatrix = mat4.create(); mat4.identity(oMouseMatrix); //Rotate eye :-S mat4.rotate(oMouseMatrix,((this.fAnimationXAngle/10) * Math.PI) / 360.0,[0,1,0]); mat4.rotate(oMouseMatrix,((this.fAnimationYAngle/10) * Math.PI) / 360.0,[1,0,0]); mat4.multiply(oMouseMatrix, mvMatrix, mvMatrix); //Rotate model mat4.rotateX(mvMatrix,this.fRotX * Math.PI / 180.0); mat4.rotateY(mvMatrix,this.fRotY * Math.PI / 180.0); mat4.rotateZ(mvMatrix,this.fRotZ * Math.PI / 180.0); var aTest = this.unProject( this.pLastMouse.x, this.pLastMouse.y, 0, mvMatrix, pMatrix, [0,0,this.iWidth,this.iHeight] ); </code></pre> <p>this.iWidth &amp; this.iHeight are the canvas and viewport width/height - this.pLastMouse.x &amp; .y are the mouse-coordinates inside the canvas</p> <pre><code>zI.debug(aTest); </code></pre> <p>But the result is <strong>totally crap</strong>. I guess there are several errors in my code. I've started playing around with WebGL just last friday. I didn't want to give up that early, but I've solved many problems since then, but this one is making me crazy.</p> <p>In openGL it was much easier to me.</p>
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    1. POHow to detect collision in webgl?
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    1. COthanks, I will try it out
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      1. USDanny Fox
 

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