mage-engine
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A WebGL Javascript Game Engine, built on top of THREE.js and many other libraries.
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<h1><a href="../../index.html">All files</a> / <a href="index.html">physics/worker</a> player.js</h1>
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<span class="cline-any cline-neutral"> </span></td><td class="text"><pre class="prettyprint lang-js">import { createRigidBody } from './elements';
import world from './world';
import {
TYPES,
DEFAULT_RIGIDBODY_STATE
} from '../constants';
export const addPlayer = <span class="cstat-no" title="statement not covered" ><span class="fstat-no" title="function not covered" >(d</span>ata) => {</span>
const { uuid, width, height, position, quaternion, mass, friction } = <span class="cstat-no" title="statement not covered" >data;</span>
const capsule = <span class="cstat-no" title="statement not covered" >new Ammo.btCapsuleShape(width, height);</span>
const body = <span class="cstat-no" title="statement not covered" >createRigidBody(capsule, { uuid, position, quaternion, mass, friction });</span>
// disabliing rotation for collisions
<span class="cstat-no" title="statement not covered" > body.setAngularFactor(0);</span>
<span class="cstat-no" title="statement not covered" > world.addRigidBody(body);</span>
<span class="cstat-no" title="statement not covered" > world.addElement({ uuid, body, type: TYPES.PLAYER, state: DEFAULT_RIGIDBODY_STATE });</span>
};
export const handlePlayerUpdate = <span class="cstat-no" title="statement not covered" ><span class="fstat-no" title="function not covered" >({</span> body, uuid, state = <span class="branch-0 cbranch-no" title="branch not covered" >DEFAULT_RIGIDBODY_STATE </span>}, dt) => {</span>
const { movement, direction, cameraDirection, quaternion, position } = <span class="cstat-no" title="statement not covered" >state;</span>
const MAX_SPEED = <span class="cstat-no" title="statement not covered" >1;</span>
const walkVelocity = <span class="cstat-no" title="statement not covered" >.1;</span>
const motionState = <span class="cstat-no" title="statement not covered" >body.getMotionState();</span>
<span class="cstat-no" title="statement not covered" > if (motionState) {</span>
const transform = <span class="cstat-no" title="statement not covered" >new Ammo.btTransform();</span>
<span class="cstat-no" title="statement not covered" > motionState.getWorldTransform(transform);</span>
const linearVelocity = <span class="cstat-no" title="statement not covered" >body.getLinearVelocity();</span>
const speed = <span class="cstat-no" title="statement not covered" >linearVelocity.length();</span>
const forwardDir = <span class="cstat-no" title="statement not covered" >transform.getBasis().getRow(2);</span>
<span class="cstat-no" title="statement not covered" > forwardDir.normalize();</span>
const walkDirection = <span class="cstat-no" title="statement not covered" >new Ammo.btVector3(0.0, 0.0, 0.0);</span>
const walkSpeed = <span class="cstat-no" title="statement not covered" >walkVelocity * dt;</span>
<span class="cstat-no" title="statement not covered" > if (movement.forward) {</span>
<span class="cstat-no" title="statement not covered" > walkDirection.setX( walkDirection.x() + forwardDir.x());</span>
//walkDirection.setY( walkDirection.y() + forwardDir.y());
<span class="cstat-no" title="statement not covered" > walkDirection.setZ( walkDirection.z() + forwardDir.z());</span>
}
<span class="cstat-no" title="statement not covered" > if (movement.backwards) {</span>
<span class="cstat-no" title="statement not covered" > walkDirection.setX( walkDirection.x() - forwardDir.x());</span>
//walkDirection.setY( walkDirection.y() - forwardDir.y());
<span class="cstat-no" title="statement not covered" > walkDirection.setZ( walkDirection.z() - forwardDir.z());</span>
}
<span class="cstat-no" title="statement not covered" > if (!movement.forward && !movement.backwards) {</span>
<span class="cstat-no" title="statement not covered" > linearVelocity.setX(linearVelocity.x() * 0.2);</span>
<span class="cstat-no" title="statement not covered" > linearVelocity.setZ(linearVelocity.z() * 0.2);</span>
} else <span class="cstat-no" title="statement not covered" >if (speed < MAX_SPEED) {</span>
<span class="cstat-no" title="statement not covered" > linearVelocity.setX(linearVelocity.x() + cameraDirection.x * walkSpeed);</span>
<span class="cstat-no" title="statement not covered" > linearVelocity.setZ(linearVelocity.z() + cameraDirection.z * walkSpeed);</span>
}
<span class="cstat-no" title="statement not covered" > body.setLinearVelocity(linearVelocity);</span>
<span class="cstat-no" title="statement not covered" > body.getMotionState().setWorldTransform(transform);</span>
<span class="cstat-no" title="statement not covered" > body.setCenterOfMassTransform(transform);</span>
let origin = <span class="cstat-no" title="statement not covered" >transform.getOrigin();</span>
let rotation = <span class="cstat-no" title="statement not covered" >transform.getRotation();</span>
<span class="cstat-no" title="statement not covered" > dispatcher.sendBodyUpdate(uuid, origin, rotation, dt);</span>
}
};</pre></td></tr></table></pre>
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