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Testing LWJGL renderer
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‎java/libraries/lwjgl/.classpath‎

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<?xml version="1.0" encoding="UTF-8"?>
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<classpath>
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<classpathentry kind="src" path="src"/>
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<classpathentry kind="con" path="org.eclipse.jdt.launching.JRE_CONTAINER"/>
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<classpathentry combineaccessrules="false" kind="src" path="/processing-core"/>
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<classpathentry kind="lib" path="library/lwjgl.jar" sourcepath="/Users/andres/Coding/OpenGL/lwjgl-source-2.8.3.zip"/>
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<classpathentry kind="lib" path="library/lwjgl_util.jar"/>
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<classpathentry kind="lib" path="library/lwjgl_util_applet.jar"/>
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<classpathentry kind="output" path="bin"/>
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</classpath>

‎java/libraries/lwjgl/.project‎

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<?xml version="1.0" encoding="UTF-8"?>
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<projectDescription>
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<name>processing-lwjgl</name>
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<comment></comment>
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<projects>
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</projects>
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<buildSpec>
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<buildCommand>
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<name>org.eclipse.jdt.core.javabuilder</name>
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<arguments>
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</arguments>
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</buildCommand>
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</buildSpec>
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<natures>
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<nature>org.eclipse.jdt.core.javanature</nature>
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</natures>
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</projectDescription>

‎java/libraries/lwjgl/.settings/org.eclipse.jdt.core.prefs‎

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‎java/libraries/lwjgl/.settings/org.eclipse.jdt.ui.prefs‎

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#Fri Feb 19 16:20:47 EST 2010
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eclipse.preferences.version=1
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formatter_profile=_processing
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formatter_settings_version=11

‎java/libraries/lwjgl/build.xml‎

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<?xml version="1.0"?>
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<project name="Processing LWJGL Library" default="build">
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<target name="clean" description="Clean the build directories">
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<delete dir="bin" />
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<delete file="library/lwopengl.jar" />
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</target>
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<target name="compile" description="Compile sources">
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<condition property="core-built">
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<available file="../../../core/core.jar" />
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</condition>
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<fail unless="core-built" message="Please build the core library first and make sure it sits in ../../../core/core.jar" />
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<mkdir dir="bin" />
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<javac target="1.5"
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srcdir="src" destdir="bin"
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encoding="UTF-8"
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includeAntRuntime="false"
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classpath="../../../core/core.jar; library/lwjgl.jar; library/lwjgl_util.jar; library/lwjgl_applet.jar" />
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<!-- Copy the shaders to the bin folder.
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Eclipse does this automatically. -->
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<copy todir="bin">
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<fileset dir="src">
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<include name="processing/lwopengl/*.glsl" />
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</fileset>
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</copy>
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</target>
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<target name="build" depends="compile" description="Build LWJGL library">
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<jar basedir="bin" destfile="library/lwopengl.jar" />
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</target>
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</project>

‎java/libraries/lwjgl/examples/Form/BrickTower/BrickTower.pde‎

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/**
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* Brick Tower
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* by Ira Greenberg.
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*
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* 3D castle tower constructed out of individual bricks.
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* Uses the PVector and Cube classes.
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*/
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import processing.lwjgl.*;
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float bricksPerLayer = 16.0;
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float brickLayers = 18.0;
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Cube brick;
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float brickWidth = 60, brickHeight = 25, brickDepth = 25;
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float radius = 175.0;
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float angle = 0;
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void setup(){
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size(640, 360, LWJGL);
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brick = new Cube(brickWidth, brickHeight, brickDepth);
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}
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void draw(){
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background(0);
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float tempX = 0, tempY = 0, tempZ = 0;
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fill(182, 62, 29);
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noStroke();
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// Add basic light setup
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lights();
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translate(width/2, height*1.2, -380);
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// Tip tower to see inside
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rotateX(radians(-45));
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// Slowly rotate tower
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rotateY(frameCount * PI/600);
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for (int i = 0; i < brickLayers; i++){
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// Increment rows
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tempY-=brickHeight;
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// Alternate brick seams
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angle = 360.0 / bricksPerLayer * i/2;
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for (int j = 0; j < bricksPerLayer; j++){
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tempZ = cos(radians(angle))*radius;
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tempX = sin(radians(angle))*radius;
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pushMatrix();
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translate(tempX, tempY, tempZ);
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rotateY(radians(angle));
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// Add crenelation
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if (i==brickLayers-1){
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if (j%2 == 0){
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brick.create();
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}
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}
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// Create main tower
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else {
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brick.create();
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}
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popMatrix();
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angle += 360.0/bricksPerLayer;
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}
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}
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}

‎java/libraries/lwjgl/examples/Form/BrickTower/Cube.pde‎

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class Cube {
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PVector[] vertices = new PVector[24];
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PVector[] normals = new PVector[6];
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float w, h, d;
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Cube(){ }
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Cube(float w, float h, float d){
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this.w = w;
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this.h = h;
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this.d = d;
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// Cube composed of 6 quads
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// Front
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normals[0] = new PVector(0, 0, 1);
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vertices[0] = new PVector(-w/2, -h/2, d/2);
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vertices[1] = new PVector(w/2, -h/2, d/2);
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vertices[2] = new PVector(w/2, h/2, d/2);
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vertices[3] = new PVector(-w/2, h/2, d/2);
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// Left
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normals[1] = new PVector(-1, 0, 0);
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vertices[4] = new PVector(-w/2, -h/2, d/2);
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vertices[5] = new PVector(-w/2, -h/2, -d/2);
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vertices[6] = new PVector(-w/2, h/2, -d/2);
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vertices[7] = new PVector(-w/2, h/2, d/2);
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// Right
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normals[2] = new PVector(1, 0, 0);
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vertices[8] = new PVector(w/2, -h/2, d/2);
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vertices[9] = new PVector(w/2, -h/2, -d/2);
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vertices[10] = new PVector(w/2, h/2, -d/2);
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vertices[11] = new PVector(w/2, h/2, d/2);
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// Back
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normals[3] = new PVector(0, 0, -1);
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vertices[12] = new PVector(-w/2, -h/2, -d/2);
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vertices[13] = new PVector(w/2, -h/2, -d/2);
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vertices[14] = new PVector(w/2, h/2, -d/2);
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vertices[15] = new PVector(-w/2, h/2, -d/2);
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// Top
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normals[4] = new PVector(0, 1, 0);
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vertices[16] = new PVector(-w/2, -h/2, d/2);
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vertices[17] = new PVector(-w/2, -h/2, -d/2);
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vertices[18] = new PVector(w/2, -h/2, -d/2);
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vertices[19] = new PVector(w/2, -h/2, d/2);
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// Bottom
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normals[5] = new PVector(0, 1, 0);
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vertices[20] = new PVector(-w/2, h/2, d/2);
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vertices[21] = new PVector(-w/2, h/2, -d/2);
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vertices[22] = new PVector(w/2, h/2, -d/2);
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vertices[23] = new PVector(w/2, h/2, d/2);
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}
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void create(){
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for (int i=0; i<6; i++){
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beginShape(QUADS);
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normal(normals[i].x, normals[i].y, normals[i].z);
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for (int j = 0; j < 4; j++){
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vertex(vertices[j+4*i].x, vertices[j+4*i].y, vertices[j+4*i].z);
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}
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endShape();
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}
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}
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}

‎java/libraries/lwjgl/examples/Form/CubicGrid/CubicGrid.pde‎

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/**
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* Cubic Grid
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* by Ira Greenberg.
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*
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* 3D translucent colored grid uses nested pushMatrix()
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* and popMatrix() functions.
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*/
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import processing.lwjgl.*;
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float boxSize = 40;
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float margin = boxSize*2;
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float depth = 400;
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color boxFill;
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void setup() {
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size(640, 360, LWJGL);
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noStroke();
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hint(DISABLE_DEPTH_TEST);
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}
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void draw() {
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background(255);
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// Center and spin grid
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translate(width/2, height/2, -depth);
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rotateY(frameCount * 0.01);
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rotateX(frameCount * 0.01);
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// Build grid using multiple translations
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for (float i =- depth/2+margin; i <= depth/2-margin; i += boxSize){
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pushMatrix();
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for (float j =- height+margin; j <= height-margin; j += boxSize){
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pushMatrix();
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for (float k =- width+margin; k <= width-margin; k += boxSize){
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// Base fill color on counter values, abs function
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// ensures values stay within legal range
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boxFill = color(abs(i), abs(j), abs(k), 50);
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pushMatrix();
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translate(k, j, i);
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fill(boxFill);
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box(boxSize, boxSize, boxSize);
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popMatrix();
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}
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popMatrix();
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}
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popMatrix();
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}
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}
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‎java/libraries/lwjgl/examples/Lights/LightsGL/LightsGL.pde‎

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/**
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* LightsGL.
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* Modified from an example by Simon Greenwold.
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*
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* Display a box with three different kinds of lights.
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*/
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import processing.lwjgl.*;
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void setup()
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{
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size(1024, 768, LWJGL);
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noStroke();
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}
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void draw()
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{
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defineLights();
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background(0);
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for (int x = 0; x <= width; x += 100) {
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for (int y = 0; y <= height; y += 100) {
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pushMatrix();
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translate(x, y);
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rotateY(map(mouseX, 0, width, 0, PI));
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rotateX(map(mouseY, 0, height, 0, PI));
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box(90);
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popMatrix();
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}
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}
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}
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void defineLights() {
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// Orange point light on the right
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pointLight(150, 100, 0, // Color
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200, -150, 0); // Position
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// Blue directional light from the left
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directionalLight(0, 102, 255, // Color
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1, 0, 0); // The x-, y-, z-axis direction
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// Yellow spotlight from the front
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spotLight(255, 255, 109, // Color
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0, 40, 200, // Position
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0, -0.5, -0.5, // Direction
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PI / 2, 2); // Angle, concentration
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}

‎java/libraries/lwjgl/examples/Lights/Reflection/Reflection.pde‎

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/**
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* Reflection
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* by Simon Greenwold.
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*
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* Vary the specular reflection component of a material
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* with the horizontal position of the mouse.
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*/
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import processing.lwjgl.*;
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void setup() {
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size(640, 360, LWJGL);
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noStroke();
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colorMode(RGB, 1);
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fill(0.4);
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}
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void draw() {
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background(0);
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translate(width / 2, height / 2);
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// Set the specular color of lights that follow
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lightSpecular(1, 1, 1);
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directionalLight(0.8, 0.8, 0.8, 0, 0, -1);
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float s = mouseX / float(width);
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specular(s, s, s);
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sphere(120);
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}

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