removed FishEye example

java/examples/Topics/Shaders/FishEye/FishEye.pde

@@ -1,52 +0,0 @@
-/**
- * Fish Eye
- * 
- * This fish-eye shader is useful for dome projection.
- */
-
-PShader fisheye;
-PGraphics canvas;
-PImage img;
-
-boolean useFishEye = true;
-
-void setup() {
-  size(640, 640, P3D);  
-  canvas = createGraphics(width, height, P3D);
-
-  fisheye = loadShader("FishEye.glsl");
-  fisheye.set("aperture", 180.0);  
-}
-
-void draw() {
-  canvas.beginDraw();
-  canvas.background(0);
-  canvas.stroke(255, 0, 0);
-  for (int i = 0; i < width; i += 10) {
-    canvas.line(i, 0, i, height);
-  }
-  for (int i = 0; i < height; i += 10) {
-    canvas.line(0, i, width, i);
-  }
-  canvas.lights();
-  canvas.noStroke();
-  canvas.translate(mouseX, mouseY, 100);
-  canvas.rotateX(frameCount * 0.01);
-  canvas.rotateY(frameCount * 0.01);  
-  canvas.box(100);  
-  canvas.endDraw(); 
-  
-   if (useFishEye == true) {
-    shader(fisheye);
-  } 
-  image(canvas, 0, 0, width, height);
-}
-
-void mousePressed() {
-  if (useFishEye) {
-    useFishEye = false;
-    resetShader();    
-  } else {
-    useFishEye = true;
-  }
-}

java/examples/Topics/Shaders/FishEye/data/FishEye.glsl

@@ -1,59 +0,0 @@
-// Inspired by the "Angular Fisheye à la Bourke" sketch from
-// Jonathan Cremieux, as shown in the OpenProcessing website:
-// http://openprocessing.org/visuals/?visualID=12140
-// Using the inverse transform of the angular fisheye as
-// explained in Paul Bourke's website:
-// http://paulbourke.net/miscellaneous/domefisheye/fisheye/
-
-#ifdef GL_ES
-precision mediump float;
-precision mediump int;
-#endif
-
-#define PROCESSING_TEXTURE_SHADER
-
-uniform sampler2D texture;
-uniform mat4 texMatrix;
-
-varying vec4 vertColor;
-varying vec4 vertTexCoord;
-
-uniform float aperture;
-
-const float PI = 3.1415926535;
-
-void main(void) {    
-  float apertureHalf = 0.5 * aperture * (PI / 180.0);
-  
-  // This factor ajusts the coordinates in the case that
-  // the aperture angle is less than 180 degrees, in which
-  // case the area displayed is not the entire half-sphere.
-  float maxFactor = sin(apertureHalf);
-  
-  // The st factor takes into account the situation when non-pot
-  // textures are not supported, so that the maximum texture
-  // coordinate to cover the entire image might not be 1.
-  vec2 stFactor = vec2(1.0 / abs(texMatrix[0][0]), 1.0 / abs(texMatrix[1][1]));  
-  vec2 pos = (2.0 * vertTexCoord.st * stFactor - 1.0);
-  
-  float l = length(pos);
-  if (l > 1.0) {
-    gl_FragColor = vec4(0, 0, 0, 1);  
-  } else {
-    float x = maxFactor * pos.x;
-    float y = maxFactor * pos.y;
-    
-    float n = length(vec2(x, y));
-    
-    float z = sqrt(1.0 - n * n);
-  
-    float r = atan(n, z) / PI; 
-  
-    float phi = atan(y, x);
-
-    float u = r * cos(phi) + 0.5;
-    float v = r * sin(phi) + 0.5;
-
-    gl_FragColor = texture2D(texture, vec2(u, v) / stFactor) * vertColor;
-  }
-}