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June 4, 2020 10:48
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Processing calculate inverse of screenX/screenY (WIP, not working perfectly)
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| void mouseDragged() { | |
| if (mouseButton == RIGHT) { | |
| float z = screenZ(k.x,k.y,k.z); | |
| println(z); | |
| PMatrix3D proj = ((PGraphics3D) this.getGraphics()).projection; | |
| PMatrix3D transform = ((PGraphics3D) this.getGraphics()).modelview; | |
| PMatrix3D a = transform.get(); | |
| PMatrix3D b = proj.get(); | |
| a.invert(); | |
| b.invert(); | |
| PVector m = new PVector((float)mouseX/width*2-1, (float)(height-mouseY)/height*2-1, 1); | |
| PVector aa = a.mult(b.mult(m, null), null); | |
| PVector pm = new PVector((float)pmouseX/width*2-1, (float)(height-pmouseY)/height*2-1, 1); | |
| PVector paa = a.mult(b.mult(pm, null), null); | |
| PVector d = aa.sub(paa); | |
| println(k, aa, paa); | |
| k = k.add(d.mult(z)); | |
| } | |
| } |
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