Created
May 6, 2012 22:32
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Panda On Motorcycle
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<!DOCTYPE html> | |
<html lang="en"> | |
<head> | |
<meta charset="utf-8" /> | |
<title> | |
Panda Catch | |
</title> | |
<style> | |
canvas { | |
border:1px solid silver; | |
width:150px; | |
} | |
</style> | |
</head> | |
<body> | |
<canvas id="character" width=200 height=300></canvas> | |
<script type="text/javascript"> | |
var canvas = document.getElementById('character'); | |
var context = canvas.getContext('2d'); | |
function panda(x,y,scale) { | |
this.x = x || 0; | |
this.y = y || 0; | |
this.scale = 1.0; | |
this.zi = '的'; | |
this.pinyin = 'de'; | |
this.draw = function() { | |
drawPanda(this); | |
}; | |
} | |
function drawPanda(panda){ | |
// VVVVVVVVVVVV | |
// Panda's Body | |
// vvvvvvvvvvvv | |
drawEllipse(100,175,200,200); | |
drawEllipse(100,175,180,180, 'white') | |
context.fillStyle = 'black'; | |
context.font = "95pt kai"; | |
context.fillText(panda.zi, 37, 225); | |
// VVVVVVVVVVVVVVVVVVVVV | |
// Panda's Feet And Arms | |
// vvvvvvvvvvvvvvvvvvvvv | |
// The feet need to be behind the body. This could have been accomplished by | |
// drawing the feet first; but since this work flow started with the body | |
// the feet need to be placed behind so we need to inform our 'context' of | |
// compositing: https://developer.mozilla.org/en/Canvas_tutorial/Compositing | |
context.globalCompositeOperation = 'destination-over'; | |
drawEllipse(65, 275, 75, 40, 'black'); | |
drawEllipse(130, 275, 75, 40, 'black'); | |
drawEllipse(30, 125, 75, 40, 'black'); | |
drawEllipse(170, 125, 75, 40, 'black'); | |
// VVVV | |
// Face | |
// vvvv | |
context.globalCompositeOperation = 'source-over'; | |
drawEllipse(100,65,190,115); | |
drawEllipse(100,65,170,95, 'white'); | |
context.globalCompositeOperation = 'destination-over'; | |
drawEllipse(60, 20, 75, 40); | |
drawEllipse(140, 20, 75, 40); | |
context.globalCompositeOperation = 'source-over'; | |
drawEllipse(70, 55, 70, 40); | |
drawEllipse(130, 55, 70, 40); | |
drawEllipse(80, 60, 15, 10, 'white'); | |
drawEllipse(120, 60, 15, 10, 'white'); | |
drawEllipse(100, 80, 15, 10); | |
drawEllipse(100, 100, 45, 10); | |
console.log('info: drew - ' + panda.zi + ' /'+panda.pinyin+'/'); | |
// info: drawing - 的 /de/ | |
}; | |
function drawEllipse(centerX, centerY, width, height, color) { | |
context.fillStyle = color || 'black'; | |
context.beginPath(); | |
context.moveTo(centerX, centerY - height/2); // A1 | |
context.bezierCurveTo( | |
centerX + width/2, centerY - height/2, // C1 | |
centerX + width/2, centerY + height/2, // C2 | |
centerX, centerY + height/2); // A2 | |
context.bezierCurveTo( | |
centerX - width/2, centerY + height/2, // C3 | |
centerX - width/2, centerY - height/2, // C4 | |
centerX, centerY - height/2); // A1 | |
context.fill(); | |
context.closePath(); | |
} | |
function draw(){ | |
panda1 = new panda(50,50,1); | |
panda1.draw(); | |
// draw body | |
}; | |
draw(); | |
</script> | |
</body> | |
</html> |
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