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Code Issues Wiki Activity

fixed friction in Demo.manipulation

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liabru 2015-05-09 21:25:01 +01:00
parent 4491dfd5f4
commit 95ae911ed6
1 changed files with 8 additions and 4 deletions
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12
demo/js/Demo.js
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@ -445,12 +445,16 @@
Body.setVertices(bodyE, bodyE.vertices); Body.setVertices(bodyE, bodyE.vertices);
} }
// make bodyA move up and down and rotate constantly // make bodyA move up and down
Body.setPosition(bodyA, { x: 100, y: 300 + 100 * Math.sin(_engine.timing.timestamp * 0.005) }); // body is static so must manually update velocity for friction to work
Body.rotate(bodyA, 0.02); var py = 300 + 100 * Math.sin(_engine.timing.timestamp * 0.002);
Body.setVelocity(bodyA, { x: 0, y: py - bodyA.position.y });
Body.setPosition(bodyA, { x: 100, y: py });
// make compound body move up and down and rotate constantly // make compound body move up and down and rotate constantly
Body.setPosition(compound, { x: 600, y: 300 + 100 * Math.sin(_engine.timing.timestamp * 0.005) }); Body.setVelocity(compound, { x: 0, y: py - compound.position.y });
Body.setAngularVelocity(compound, 0.02);
Body.setPosition(compound, { x: 600, y: py });
Body.rotate(compound, 0.02); Body.rotate(compound, 0.02);
// every 1.5 sec // every 1.5 sec