moving examples to root

Author: codeanticode

…trokes/Ex_10_1_points/Ex_10_1_points.pde intro/Ex_10_1_points/Ex_10_1_points.pdeintro/Strokes/Ex_10_1_points/Ex_10_1_points.pde renamed to intro/Ex_10_1_points/Ex_10_1_points.pde intro/Strokes/Ex_10_1_points/Ex_10_1_points.pde renamed to intro/Ex_10_1_points/Ex_10_1_points.pde

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+// From cloud textures from 
+// Realistic and Fast Cloud Rendering, Niniane Wang
+// http://jgt.akpeters.com/papers/Wang04/
+// fig. 6
+
+PShader pointShader;
+PImage cloud1;
+PImage cloud2;
+PImage cloud3;
+
+float weight = 100;
+
+void setup() {
+  size(640, 360, P3D);
+  
+  pointShader = loadShader("spritefrag.glsl", "spritevert.glsl");
+  pointShader.set("weight", weight);
+  cloud1 = loadImage("cloud1.png");
+  cloud2 = loadImage("cloud2.png");
+  cloud3 = loadImage("cloud3.png");  
+  pointShader.set("sprite", cloud1);
+    
+  strokeWeight(weight);
+  strokeCap(SQUARE);
+  stroke(255, 70);
+  
+  background(0);
+}
+
+void draw() {  
+  shader(pointShader, POINTS);
+  if (mousePressed) {   
+    point(mouseX, mouseY);
+  }  
+}
+
+void mousePressed() {
+  if (key == '1') {
+    pointShader.set("sprite", cloud1);
+  } else if (key == '2') {
+    pointShader.set("sprite", cloud2);
+  } else if (key == '3') {
+    pointShader.set("sprite", cloud3);
+  }
+}

…rokes/Ex_10_1_points/data/pointfrag.glsl intro/Ex_10_1_points/data/pointfrag.glslintro/Strokes/Ex_10_1_points/data/pointfrag.glsl renamed to intro/Ex_10_1_points/data/pointfrag.glsl intro/Strokes/Ex_10_1_points/data/pointfrag.glsl renamed to intro/Ex_10_1_points/data/pointfrag.glsl

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+#ifdef GL_ES
+precision mediump float;
+precision mediump int;
+#endif
+
+uniform sampler2D sprite;
+
+varying vec4 vertColor;
+varying vec2 texCoord;
+
+void main() {  
+  gl_FragColor = texture2D(sprite, texCoord) * vertColor;
+}

…rokes/Ex_10_1_points/data/pointvert.glsl intro/Ex_10_1_points/data/pointvert.glslintro/Strokes/Ex_10_1_points/data/pointvert.glsl renamed to intro/Ex_10_1_points/data/pointvert.glsl intro/Strokes/Ex_10_1_points/data/pointvert.glsl renamed to intro/Ex_10_1_points/data/pointvert.glsl

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+#define PROCESSING_POINT_SHADER
+
+uniform mat4 projection;
+uniform mat4 modelview;
+
+uniform float weight;
+ 
+attribute vec4 vertex;
+attribute vec4 color;
+attribute vec2 offset;
+
+varying vec4 vertColor;
+varying vec2 texCoord;
+
+void main() {
+  vec4 pos = modelview * vertex;
+  vec4 clip = projection * pos;
+  
+  gl_Position = clip + projection * vec4(offset, 0, 0);
+  
+  texCoord = (vec2(0.5) + offset / weight);
+  
+  vertColor = color;
+}