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Working out culling

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Richard Davey 2013-09-01 00:35:29 +01:00
parent 22847f6ade
commit 5d4da0ce66
3 changed files with 86 additions and 62 deletions
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99
examples/camera2.php
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@ -15,7 +15,7 @@
var game = new Phaser.Game(800, 600, Phaser.CANVAS, '', { preload: preload, create: create, update: update, render: render });
function preload() {
game.load.image('mushroom', 'assets/sprites/mushroom2.png');
game.load.image('mushroom', 'assets/sprites/mana_card.png');
}
var s;
@ -23,44 +23,27 @@
var r;
var p;
var half = { width: 0, height: 0 };
var angle = 0;
var distance = 0;
function create() {
// Make our game world 2000x2000 pixels in size (the default is to match the game size)
game.world.setSize(2000, 2000);
s = game.add.sprite(400, 300, 'mushroom');
console.log(s.width, s.height);
// do this on a texture basis!
// this._halfSize.x = this.parent.width / 2;
// this._halfSize.y = this.parent.height / 2;
// this._offset.x = this.origin.x * this.parent.width;
// this._offset.y = this.origin.y * this.parent.height;
// this._angle = Math.atan2(this.halfHeight - this._offset.x, this.halfWidth - this._offset.y);
// this._distance = Math.sqrt(((this._offset.x - this._halfSize.x) * (this._offset.x - this._halfSize.x)) + ((this._offset.y - this._halfSize.y) * (this._offset.y - this._halfSize.y)));
// get the distance between top-left and bottom-right
distance = Phaser.Math.distance(0,0,s.width,s.height);
// draw line from x/y
s.anchor.setTo(1, 0);
// c = new Phaser.Circle(s.x, s.y, distance);
// s.scale.setTo(2, 2);
s.anchor.setTo(0.5, 0.5);
s.angle = 45;
r = new Phaser.Rectangle(0, 0, s.width, s.height);
var newWidth = (s.width * Math.cos(s.rotation)) + (s.height * Math.sin(s.rotation));
var newHeight = (s.width * Math.sin(s.rotation)) + (s.height * Math.cos(s.rotation));
r.x = cx(s) - newWidth / 2;
r.y = cy(s);
r.width = newWidth;
r.height = newHeight;
// var max = Math.max(s.width, s.height);
// c = new Phaser.Circle(0,0,max);
// console.log(c);
// p = new Phaser.Point(s.x, s.y);
// s.angle = 90;
p = new Phaser.Point();
// PIXI worldTransform order:
@ -71,58 +54,50 @@
// 4 = scaleY
// 5 = translateY
console.log(s.worldTransform);
}
function cx(sprite) {
function getMidPoint(x, y, width, height, angle_degrees) {
var angle_rad = angle_degrees * Math.PI / 180;
var cosa = Math.cos(angle_rad);
var sina = Math.sin(angle_rad);
var wp = width/2;
var hp = height/2;
return { px: ( x + wp * cosa - hp * sina ),
py: ( y + wp * sina + hp * cosa ) };
}
if (sprite.anchor.x == 0)
{
return sprite.x;
}
else
{
return sprite.x - (sprite.width * sprite.anchor.x);
}
}
function cy(sprite) {
if (sprite.anchor.y == 0)
{
return sprite.y;
}
else
{
return sprite.y - (sprite.height * sprite.anchor.y);
}
}
function update() {
s.rotation += 0.01;
var newWidth = (s.width * Math.cos(s.rotation)) + (s.height * Math.sin(s.rotation));
var newHeight = (s.width * Math.sin(s.rotation)) + (s.height * Math.cos(s.rotation));
r.x = cx(s) - newWidth / 2;
r.y = cy(s);
r.width = newWidth;
r.height = newHeight;
// var newWidth = (s.width * Math.cos(s.rotation)) + (s.height * Math.sin(s.rotation));
// var newHeight = (s.width * Math.sin(s.rotation)) + (s.height * Math.cos(s.rotation));
// r.x = cx(s) - newWidth / 2;
// r.y = cy(s);
// r.width = newWidth;
// r.height = newHeight;
}
function render() {
// var tt = getMidPoint(s.x,s.y,s.width,s.height,s.angle);
// p.setTo(tt.px,tt.py);
var originAngle = Math.atan2(centerY - originY, centerX - originX);
// game.debug.renderCameraInfo(game.camera, 32, 32);
game.debug.renderInputInfo(32, 100);
// game.debug.renderInputInfo(32, 100);
// game.debug.renderSpriteInfo(s, 32, 32);
// game.debug.renderSpriteBounds(s);
//p.rotate(s.x, s.y, s.angle, asDegrees, distance) {
// game.debug.renderPoint(p);
game.debug.renderPoint(p);
game.debug.renderRectangle(r);
// game.debug.renderRectangle(r);
// game.debug.renderCircle(c);
// var p = getLocalPosition(game.input.x, game.input.y, s);

47
examples/tween.html Normal file
View file

@ -0,0 +1,47 @@
<!DOCTYPE HTML>
<html>
<head>
<title>phaser.js - a(nother) new beginning</title>
<script src="../src/Phaser.js"></script>
<script src="../src/system/Device.js"></script>
<script src="../src/core/SignalBinding.js"></script>
<script src="../src/core/Signal.js"></script>
<script src="../src/math/RandomDataGenerator.js"></script>
<script src="../src/math/Math.js"></script>
<script src="../src/geom/Point.js"></script>
<script src="../src/geom/Circle.js"></script>
<script src="../src/net/Net.js"></script>
<script src="../src/tween/TweenManager.js"></script>
<script src="../src/tween/Tween.js"></script>
<script src="../src/tween/Easing.js"></script>
<script src="../src/time/Time.js"></script>
<script src="../src/animation/Animation.js"></script>
<script src="../src/animation/Frame.js"></script>
<script src="../src/animation/FrameData.js"></script>
<script src="../src/animation/Parser.js"></script>
<script src="../src/loader/Cache.js"></script>
<script src="../src/loader/Loader.js"></script>
<script src="../src/Game.js"></script>
</head>
<body>
<script type="text/javascript">
var game = new Phaser.Game(this, '', 800, 600);
var test = { x: 0 };
var tween = game.tweens.create(test);
tween.onComplete.add(onComplete, this);
tween.to({x: 100}, 1000, Phaser.Easing.Linear.None, true);
function onComplete() {
console.log('tween finished, new data: ', test);
}
</script>
</body>
</html>

2
src/utils/Debug.js
View file

@ -372,9 +372,11 @@ Phaser.Utils.Debug.prototype = {
fillStyle = fillStyle || 'rgba(0,255,0,0.3)';
this.start();
this.context.beginPath();
this.context.fillStyle = fillStyle;
this.context.arc(circle.x, circle.y, circle.radius, 0, Math.PI * 2, false);
this.context.fill();
this.context.closePath();
this.stop();
},