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Added wiggling example
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codeanticode
283
java/libraries/opengl/examples/Advanced/Wiggling/Wiggling.pde
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283
java/libraries/opengl/examples/Advanced/Wiggling/Wiggling.pde
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// Press 'w' to start wiggling, space to restore
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// original positions.
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PShape cube;
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float cubeSize = 200;
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float circleRad = 50;
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int circleRes = 20;
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float noiseMag = 1;
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boolean wiggling = false;
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void setup() {
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size(400, 400, P3D);
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createCube();
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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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rotateX(frameCount * 0.01f);
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rotateY(frameCount * 0.01f);
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shape(cube);
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if (wiggling) {
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PVector pos = null;
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for (int i = 0; i < cube.getChildCount(); i++) {
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PShape face = cube.getChild(i);
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for (int j = 0; j < face.getVertexCount(); j++) {
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pos = face.getVertex(j, pos);
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pos.x += random(-noiseMag/2, +noiseMag/2);
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pos.y += random(-noiseMag/2, +noiseMag/2);
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pos.z += random(-noiseMag/2, +noiseMag/2);
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face.setVertex(j, pos.x, pos.y, pos.z);
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}
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}
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}
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println(frameRate);
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}
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public void keyPressed() {
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if (key == 'w') {
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wiggling = !wiggling;
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} else if (key == ' ') {
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restoreCube();
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} else if (key == '1') {
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cube.strokeWeight(1);
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} else if (key == '2') {
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cube.strokeWeight(5);
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} else if (key == '3') {
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cube.strokeWeight(10);
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}
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}
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void createCube() {
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cube = createShape(GROUP);
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PShape face;
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// Front face
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face = createShape(POLYGON);
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face.stroke(255, 0, 0);
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face.fill(255);
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face.beginContour();
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face.vertex(-cubeSize/2, -cubeSize/2, +cubeSize/2);
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face.vertex(+cubeSize/2, -cubeSize/2, +cubeSize/2);
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face.vertex(+cubeSize/2, +cubeSize/2, +cubeSize/2);
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face.vertex(-cubeSize/2, +cubeSize/2, +cubeSize/2);
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face.endContour();
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face.beginContour();
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for (int i = 0; i < circleRes; i++) {
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float angle = TWO_PI * i / circleRes;
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float x = circleRad * sin(angle);
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float y = circleRad * cos(angle);
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float z = +cubeSize/2;
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face.vertex(x, y, z);
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}
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face.endContour();
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face.end(CLOSE);
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cube.addChild(face);
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// Back face
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face = createShape(POLYGON);
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face.stroke(255, 0, 0);
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face.fill(255);
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face.beginContour();
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face.vertex(+cubeSize/2, -cubeSize/2, -cubeSize/2);
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face.vertex(-cubeSize/2, -cubeSize/2, -cubeSize/2);
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face.vertex(-cubeSize/2, +cubeSize/2, -cubeSize/2);
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face.vertex(+cubeSize/2, +cubeSize/2, -cubeSize/2);
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face.endContour();
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face.beginContour();
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for (int i = 0; i < circleRes; i++) {
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float angle = TWO_PI * i / circleRes;
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float x = circleRad * sin(angle);
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float y = circleRad * cos(angle);
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float z = -cubeSize/2;
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face.vertex(x, y, z);
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}
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face.endContour();
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face.end(CLOSE);
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cube.addChild(face);
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// Right face
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face = createShape(POLYGON);
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face.stroke(255, 0, 0);
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face.fill(255);
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face.beginContour();
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face.vertex(+cubeSize/2, -cubeSize/2, +cubeSize/2);
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face.vertex(+cubeSize/2, -cubeSize/2, -cubeSize/2);
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face.vertex(+cubeSize/2, +cubeSize/2, -cubeSize/2);
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face.vertex(+cubeSize/2, +cubeSize/2, +cubeSize/2);
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face.endContour();
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face.beginContour();
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for (int i = 0; i < circleRes; i++) {
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float angle = TWO_PI * i / circleRes;
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float x = +cubeSize/2;
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float y = circleRad * sin(angle);
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float z = circleRad * cos(angle);
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face.vertex(x, y, z);
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}
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face.endContour();
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face.end(CLOSE);
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cube.addChild(face);
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// Left face
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face = createShape(POLYGON);
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face.stroke(255, 0, 0);
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face.fill(255);
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face.beginContour();
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face.vertex(-cubeSize/2, -cubeSize/2, -cubeSize/2);
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face.vertex(-cubeSize/2, -cubeSize/2, +cubeSize/2);
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face.vertex(-cubeSize/2, +cubeSize/2, +cubeSize/2);
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face.vertex(-cubeSize/2, +cubeSize/2, -cubeSize/2);
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face.endContour();
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face.beginContour();
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for (int i = 0; i < circleRes; i++) {
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float angle = TWO_PI * i / circleRes;
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float x = -cubeSize/2;
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float y = circleRad * sin(angle);
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float z = circleRad * cos(angle);
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face.vertex(x, y, z);
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}
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face.endContour();
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face.end(CLOSE);
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cube.addChild(face);
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// Top face
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face = createShape(POLYGON);
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face.stroke(255, 0, 0);
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face.fill(255);
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face.beginContour();
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face.vertex(-cubeSize/2, +cubeSize/2, +cubeSize/2);
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face.vertex(+cubeSize/2, +cubeSize/2, +cubeSize/2);
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face.vertex(+cubeSize/2, +cubeSize/2, -cubeSize/2);
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face.vertex(-cubeSize/2, +cubeSize/2, -cubeSize/2);
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face.endContour();
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face.beginContour();
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for (int i = 0; i < circleRes; i++) {
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float angle = TWO_PI * i / circleRes;
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float x = circleRad * sin(angle);
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float y = +cubeSize/2;
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float z = circleRad * cos(angle);
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face.vertex(x, y, z);
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}
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face.endContour();
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face.end(CLOSE);
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cube.addChild(face);
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// Bottom face
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face = createShape(POLYGON);
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face.stroke(255, 0, 0);
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face.fill(255);
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face.beginContour();
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face.vertex(+cubeSize/2, -cubeSize/2, +cubeSize/2);
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face.vertex(-cubeSize/2, -cubeSize/2, +cubeSize/2);
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face.vertex(-cubeSize/2, -cubeSize/2, -cubeSize/2);
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face.vertex(+cubeSize/2, -cubeSize/2, -cubeSize/2);
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face.endContour();
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face.beginContour();
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for (int i = 0; i < circleRes; i++) {
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float angle = TWO_PI * i / circleRes;
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float x = circleRad * sin(angle);
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float y = -cubeSize/2;
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float z = circleRad * cos(angle);
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face.vertex(x, y, z);
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}
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face.endContour();
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face.end(CLOSE);
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cube.addChild(face);
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}
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void restoreCube() {
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PShape face;
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// Front face
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face = cube.getChild(0);
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face.setVertex(0, -cubeSize/2, -cubeSize/2, +cubeSize/2);
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face.setVertex(1, +cubeSize/2, -cubeSize/2, +cubeSize/2);
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face.setVertex(2, +cubeSize/2, +cubeSize/2, +cubeSize/2);
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face.setVertex(3, -cubeSize/2, +cubeSize/2, +cubeSize/2);
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for (int i = 0; i < circleRes; i++) {
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float angle = TWO_PI * i / circleRes;
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float x = circleRad * sin(angle);
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float y = circleRad * cos(angle);
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float z = +cubeSize/2;
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face.setVertex(4 + i, x, y, z);
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}
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// Back face
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face = cube.getChild(1);
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face.setVertex(0, +cubeSize/2, -cubeSize/2, -cubeSize/2);
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face.setVertex(1, -cubeSize/2, -cubeSize/2, -cubeSize/2);
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face.setVertex(2, -cubeSize/2, +cubeSize/2, -cubeSize/2);
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face.setVertex(3, +cubeSize/2, +cubeSize/2, -cubeSize/2);
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for (int i = 0; i < circleRes; i++) {
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float angle = TWO_PI * i / circleRes;
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float x = circleRad * sin(angle);
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float y = circleRad * cos(angle);
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float z = -cubeSize/2;
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face.setVertex(4 + i, x, y, z);
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}
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// Right face
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face = cube.getChild(2);
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face.setVertex(0, +cubeSize/2, -cubeSize/2, +cubeSize/2);
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face.setVertex(1, +cubeSize/2, -cubeSize/2, -cubeSize/2);
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face.setVertex(2, +cubeSize/2, +cubeSize/2, -cubeSize/2);
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face.setVertex(3, +cubeSize/2, +cubeSize/2, +cubeSize/2);
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for (int i = 0; i < circleRes; i++) {
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float angle = TWO_PI * i / circleRes;
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float x = +cubeSize/2;
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float y = circleRad * sin(angle);
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float z = circleRad * cos(angle);
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face.setVertex(4 + i, x, y, z);
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}
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// Left face
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face = cube.getChild(3);
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face.setVertex(0, -cubeSize/2, -cubeSize/2, -cubeSize/2);
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face.setVertex(1, -cubeSize/2, -cubeSize/2, +cubeSize/2);
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face.setVertex(2, -cubeSize/2, +cubeSize/2, +cubeSize/2);
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face.setVertex(3, -cubeSize/2, +cubeSize/2, -cubeSize/2);
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for (int i = 0; i < circleRes; i++) {
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float angle = TWO_PI * i / circleRes;
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float x = -cubeSize/2;
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float y = circleRad * sin(angle);
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float z = circleRad * cos(angle);
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face.setVertex(4 + i, x, y, z);
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}
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// Top face
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face = cube.getChild(4);
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face.setVertex(0, -cubeSize/2, +cubeSize/2, +cubeSize/2);
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face.setVertex(1, +cubeSize/2, +cubeSize/2, +cubeSize/2);
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face.setVertex(2, +cubeSize/2, +cubeSize/2, -cubeSize/2);
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face.setVertex(3, -cubeSize/2, +cubeSize/2, -cubeSize/2);
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for (int i = 0; i < circleRes; i++) {
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float angle = TWO_PI * i / circleRes;
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float x = circleRad * sin(angle);
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float y = +cubeSize/2;
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float z = circleRad * cos(angle);
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face.setVertex(4 + i, x, y, z);
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}
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// Bottom face
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face = cube.getChild(5);
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face.setVertex(0, +cubeSize/2, -cubeSize/2, +cubeSize/2);
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face.setVertex(1, -cubeSize/2, -cubeSize/2, +cubeSize/2);
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face.setVertex(2, -cubeSize/2, -cubeSize/2, -cubeSize/2);
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face.setVertex(3, +cubeSize/2, -cubeSize/2, -cubeSize/2);
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for (int i = 0; i < circleRes; i++) {
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float angle = TWO_PI * i / circleRes;
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float x = circleRad * sin(angle);
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float y = -cubeSize/2;
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float z = circleRad * cos(angle);
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face.setVertex(4 + i, x, y, z);
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}
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}
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