Created
August 29, 2011 19:47
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PJS Cube vs Pyramid Lighting Test
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| <html> | |
| <head> | |
| <title>Cube vs Pyramid Lighting Test</title> | |
| <script type="text/javascript" src="http://processingjs.org/content/download/processing-js-1.3.0/processing-1.3.0.js"></script> | |
| </head> | |
| <body> | |
| <canvas id="pjsCanvas"></canvas> | |
| <script type="text/javascript"> | |
| (function() { | |
| var canvas = document.getElementById('pjsCanvas'); | |
| var pjs = new Processing(canvas); | |
| var rotateX = Math.PI / 4; | |
| var rotateY = Math.PI / 4; | |
| pjs.setup = function() { | |
| pjs.size(800, 600, pjs.P3D); | |
| pjs.loop(); | |
| } | |
| pjs.draw = function() { | |
| this.background(255); | |
| this.lights(); | |
| this.translate(this.width / 2, this.height / 2, 0); | |
| this.rotateX(rotateX); | |
| this.rotateY(rotateY); | |
| this.translate(-this.width / 2, -this.height / 2, 50); | |
| this.drawPyramid(this.width / 2, this.height / 2, 100, 100, 100); | |
| this.pushMatrix(); | |
| this.translate(this.width / 2, this.height / 2, -50); | |
| this.box(100, 100, 100); | |
| this.popMatrix(); | |
| } | |
| pjs.drawPyramid = function(_x, _y, _w, _h, _size) { | |
| this.fill(255, 0, 0); | |
| this.beginShape(this.TRIANGLES); | |
| // top | |
| this.vertex(_x, _y, 0); | |
| this.vertex(_x + _w, _y, 0); | |
| this.vertex(_x + _w / 2, _y + _h / 2, _size); | |
| // right | |
| this.vertex(_x + _w, _y, 0); | |
| this.vertex(_x + _w, _y + _h, 0); | |
| this.vertex(_x + _w / 2, _y + _h / 2, _size); | |
| // bottom | |
| this.vertex(_x, _y + _h, 0); | |
| this.vertex(_x + _w, _y + _h, 0); | |
| this.vertex(_x + _w / 2, _y + _h / 2, _size); | |
| // left | |
| this.vertex(_x, _y, 0); | |
| this.vertex(_x, _y + _h, 0); | |
| this.vertex(_x + _w / 2, _y + _h / 2, _size); | |
| this.endShape(); | |
| } | |
| pjs.mouseDragged = function() { | |
| var rate = 0.01; | |
| rotateX += (pjs.pmouseY - pjs.mouseY) * rate; | |
| rotateY += (pjs.mouseX - pjs.pmouseX) * rate; | |
| } | |
| pjs.setup(); | |
| })(); | |
| </script> | |
| </body> | |
| </html> |
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