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我想在用戶點擊它時更新某些主體屬性,例如, body.render.lineWidth = 5;
如果使用默認畫布渲染器,它工作得很好。如果我切換到Pixi.js渲染器,它將停止工作,並且似乎完全不反映任何屬性。 我也嘗試Matter.Body.set
函數,但沒有運氣。屬性爲實際設置爲一個身體,但身體不斷顯示在施工時提供的初始樣式。如果使用Pixi.js渲染器,Matter.js不更新主體屬性
什麼是設置這些屬性的正確方法?
編輯: sample.js
var Engine = Matter.Engine,
World = Matter.World,
Bodies = Matter.Bodies,
Common = Matter.Common,
MouseConstraint = Matter.MouseConstraint;
var createOptions = function(options) {
var defaults = {
isManual: false,
sceneName: 'mixed',
sceneEvents: []
};
return Common.extend(defaults, options);
};
var options = {
positionIterations: 6,
velocityIterations: 4,
enableSleeping: false,
metrics: { extended: true },
render: {
controller: Matter.RenderPixi
}
};
var engine = Engine.create(document.getElementById('canvas-container'), createOptions(options));
var world = engine.world;
var mouseConstraint = MouseConstraint.create(engine, {
constraint: {
render: {
visible: false
}
}
});
World.add(engine.world, mouseConstraint);
World.add(world, [
Bodies.rectangle(400, 0, 800, 1, { isStatic: true }),
Bodies.rectangle(400, 600, 800, 1, { isStatic: true }),
Bodies.rectangle(800, 300, 1, 600, { isStatic: true }),
Bodies.rectangle(0, 300, 1, 600, { isStatic: true })
]);
var body = Bodies.polygon(200, 200, 4, Common.random(50, 60), {
isStatic: true,
friction: 1,
render: {
fillStyle: '#f0f0f0',
strokeStyle: 'black',
lineWidth: 1
}
});
World.add(world, body);
Matter.Events.on(mouseConstraint, 'mousedown', function(e) {
body.render.lineWidth = 5;
});
var renderOptions = engine.render.options;
renderOptions.wireframes = false;
renderOptions.hasBounds = false;
renderOptions.showDebug = false;
renderOptions.showBroadphase = false;
renderOptions.showBounds = false;
renderOptions.showVelocity = false;
renderOptions.showCollisions = false;
renderOptions.showAxes = false;
renderOptions.showPositions = false;
renderOptions.showAngleIndicator = false;
renderOptions.showIds = false;
renderOptions.showShadows = false;
renderOptions.showVertexNumbers = false;
renderOptions.showConvexHulls = false;
renderOptions.showInternalEdges = false;
renderOptions.showSeparations = false;
renderOptions.background = '#fff';
Engine.run(engine);
sample.html
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
</head>
<body>
<div id="canvas-container"></div>
<script src="pixi.min.v3.0.10.js" type="text/javascript"></script>
<script src="matter.min.v0.9.1.js" type="text/javascript"></script>
<script src="sample.js" type="text/javascript"></script>
</body>
</html>
如果我註釋掉controller: Matter.RenderPixi
一切正常確定。
我對matter.js沒有經驗,但是如果可能的話,您至少可以提供一些代碼來顯示它。需要注意的是,您正在使用/查看PIXI.js在構建時創建的正確的「自定義」渲染器和畫布,而不是DOM上的其他某些渲染器和畫布,而實際上並不是那些被操縱的渲染器和畫布? – Hachi