Created
July 31, 2012 18:57
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Processing.js snippets
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| // ------ simple sketch | |
| line(10, 10, 90, 90); | |
| // ------ eye | |
| void setup() | |
| { | |
| size(200, 200); | |
| smooth(); | |
| } | |
| void draw() | |
| { | |
| background(0, 0, 255); | |
| fill(255, 255, 255); | |
| ellipse(100, 100, 80, 120); | |
| fill(0, 0, 0); | |
| ellipse(90, 90, 40, 40); | |
| } | |
| // ----- eyes (PDE) | |
| void setup() | |
| { | |
| size(200, 200); | |
| smooth(); | |
| } | |
| void draw() | |
| { | |
| background(#0000FF); | |
| drawEye(50, 100); | |
| drawEye(150, 100); | |
| } | |
| final float RX = 40, RY = 60, RC = 20; | |
| void drawEye(int cx, int cy) | |
| { | |
| noStroke(); | |
| fill(255, 255, 255); | |
| ellipseMode(CENTER); | |
| ellipse(cx, cy, 2 * RX, 2 * RY); | |
| float angle = atan2((mouseY - cy) / RY, (mouseX - cx) / RX); | |
| float r = min(1, sqrt(sq(mouseY - cy) / sq(RY) + sq(mouseX - cx) / sq(RX))); | |
| float dx = r * cos(angle) * (RX - RC), dy = r * sin(angle) * (RY - RC); | |
| fill(0, 0, 0); | |
| ellipse(cx + dx, cy + dy, 2 * RC, 2 * RC); | |
| } | |
| // ------ crazy eyes | |
| float angle = radians(frameCount * 10 % 360); | |
| float r = noise(1); | |
| float dx = r * cos(angle) * (RX - RC), dy = r * sin(angle) * (RY - RC); | |
| // ------ simple pjs | |
| <script src="http://processingjs.org/js/processing.min.js"></script> | |
| <canvas data-processing-sources="eyes.pde"></canvas> | |
| // ------ IE9 friendly pjs | |
| <!doctype html> | |
| <html> | |
| <head> | |
| <script src="http://processingjs.org/js/processing.min.js" type="text/javascript"></script> | |
| <!-- <script src="http://localhost/~yury/Work/processing-js/release/processing.js" type="text/javascript"></script> --> | |
| </head> | |
| <body> | |
| <canvas id="sketch" data-processing-sources="eyes.pde"></canvas> | |
| </body> | |
| </html> | |
| // ---------- for processing-helper | |
| class A | |
| { | |
| public int x; | |
| public void method() {} | |
| } | |
| class B extends A | |
| { | |
| public int y; | |
| } | |
| class C extends B | |
| { | |
| public void method() {} | |
| } | |
| // ---------- javascript eyes w/with | |
| <!doctype html> | |
| <html> | |
| <head> | |
| <script src="http://processingjs.org/js/processing.min.js" type="text/javascript"></script> | |
| <!-- <script src="http://localhost/~yury/Work/processing-js/release/processing.js" type="text/javascript"></script> --> | |
| </head> | |
| <body> | |
| <canvas id="sketch"></canvas> | |
| <script> | |
| var sketch = new Processing('sketch', function(p) { | |
| with(p) { | |
| var setup = p.setup = function setup() | |
| { | |
| size(200, 200); | |
| smooth(); | |
| } | |
| var draw = p.draw = function draw() | |
| { | |
| background(0xFF0000FF); | |
| drawEye(50, 100); | |
| drawEye(150, 100); | |
| } | |
| var RX = 40, RY = 60, RC = 20; | |
| var drawEye = p.drawEye = function drawEye(cx, cy) | |
| { | |
| noStroke(); | |
| fill(0xFFFFFFFF); | |
| ellipseMode(CENTER); | |
| ellipse(cx, cy, 2 * RX, 2 * RY); | |
| var angle = atan2((mouseY - cy) / RY, (mouseX - cx) / RX); | |
| var r = min(1, sqrt(sq(mouseY - cy) / sq(RY) + sq(mouseX - cx) / sq(RX))); | |
| var dx = r * cos(angle) * (RX - RC), dy = r * sin(angle) * (RY - RC); | |
| fill(0xFF000000); | |
| ellipse(cx + dx, cy + dy, 2 * RC, 2 * RC); | |
| } | |
| } | |
| }); | |
| </script> | |
| </body> | |
| </html> | |
| // ---------- javascript eyes | |
| <!doctype html> | |
| <html> | |
| <head> | |
| <script src="http://processingjs.org/js/processing.min.js" type="text/javascript"></script> | |
| <!-- <script src="http://localhost/~yury/Work/processing-js/release/processing.js" type="text/javascript"></script> --> | |
| </head> | |
| <body> | |
| <canvas id="sketch"></canvas> | |
| <script> | |
| var sketch = new Processing('sketch2', function($p) { | |
| $p.setup = (function setup() | |
| { | |
| $p.size(200, 200); | |
| $p.smooth(); | |
| }); | |
| $p.draw = (function draw() | |
| { | |
| $p.background(0xFF0000FF); | |
| drawEye(50, 100); | |
| drawEye(150, 100); | |
| }); | |
| var RX = 40, RY = 60, RC = 20; | |
| function drawEye(cx, cy) | |
| { | |
| $p.noStroke(); | |
| $p.fill(0xFFFFFFFF); | |
| $p.ellipseMode($p.CENTER); | |
| $p.ellipse(cx, cy, 2 * RX, 2 * RY); | |
| var angle = Math.atan2(($p.mouseY - cy) / RY, ($p.mouseX - cx) / RX); | |
| var r = Math.min(1, Math.sqrt($p.sq($p.mouseY - cy) / $p.sq(RY) + $p.sq($p.mouseX - cx) / $p.sq(RX))); | |
| var dx = r * Math.cos(angle) * (RX - RC), dy = r * Math.sin(angle) * (RY - RC); | |
| $p.fill(0xFF000000); | |
| $p.ellipse(cx + dx, cy + dy, 2 * RC, 2 * RC); | |
| } | |
| }); | |
| </script> | |
| </body> | |
| </html> | |
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