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beat slice gravity

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This commit is contained in:
Kevin Ngo
2018-10-02 06:15:04 -07:00
parent a02a3dfa6d
commit e11b1de291
1 changed files with 16 additions and 0 deletions
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16
src/components/beat.js
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@@ -46,6 +46,7 @@ AFRAME.registerComponent('beat', {
this.boundingBox = new THREE.Box3();
this.saberEls = this.el.sceneEl.querySelectorAll('[saber-controls]');
this.backToPool = false;
this.gravityVelocity = 0;
this.returnToPoolTimer = 800;
this.rightCutPlanePoints = [];
this.leftCutPlanePoints = [];
@@ -299,6 +300,7 @@ AFRAME.registerComponent('beat', {
this.el.sceneEl.renderer.localClippingEnabled = true;
this.destroyed = true;
this.el.sceneEl.emit('beatdestroyed', null, false);
this.gravityVelocity = 0.1;
this.rotationAxis.copy(this.rightCutPlanePoints[0]).sub(this.rightCutPlanePoints[1]);
@@ -410,12 +412,18 @@ AFRAME.registerComponent('beat', {
this.el.object3D.position.z += this.data.speed * (timeDelta / 1000);
this.backToPool = this.el.object3D.position.z >= 2;
} else {
// Update gravity velocity.
this.gravityVelocity = getGravityVelocity(this.gravityVelocity, timeDelta);
this.el.object3D.position.y += this.gravityVelocity * (timeDelta / 1000);
rightCutNormal.copy(this.rightCutPlane.normal).multiplyScalar((this.data.speed / 2) * (timeDelta / 500));
rightCutNormal.y = 0; // Y handled by gravity.
this.partRightEl.object3D.position.add(rightCutNormal);
this.partRightEl.object3D.setRotationFromAxisAngle(this.rotationAxis, rightRotation);
rightRotation = rightRotation >= 2 * Math.PI ? 0 : rightRotation + rotationStep;
leftCutNormal.copy(this.leftCutPlane.normal).multiplyScalar((this.data.speed / 2) * (timeDelta / 500));
leftCutNormal.y = 0; // Y handled by gravity.
this.partLeftEl.object3D.position.add(leftCutNormal);
this.partLeftEl.object3D.setRotationFromAxisAngle(this.rotationAxis, leftRotation);
leftRotation = leftRotation >= 2 * Math.PI ? 0 : leftRotation + rotationStep;
@@ -430,3 +438,11 @@ AFRAME.registerComponent('beat', {
};
})()
});
/**
* Get velocity given current velocity using gravity acceleration.
*/
function getGravityVelocity (velocity, timeDelta) {
const GRAVITY = -9.8;
return velocity + (GRAVITY * (timeDelta / 1000));
}