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新增verlet物理引擎（实验性）

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yhh
2021-07-02 18:25:30 +08:00
parent 3d9c8699e7
commit 85bdd97d48
15 changed files with 1142 additions and 23 deletions
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23
source/src/Physics/Verlet/Composites/Box.ts Normal file
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///<reference path="./Composite.ts" />
module es {
export class VerletBox extends es.Composite {
constructor(center: es.Vector2, width: number, height: number, borderStiffness: number = 0.2, diagonalStiffness: number = 0.5) {
super();
const tl = this.addParticle(new Particle(center.add(new Vector2(-width / 2, -height / 2))));
const tr = this.addParticle(new Particle(center.add(new Vector2(width / 2, -height / 2))));
const br = this.addParticle(new Particle(center.add(new Vector2(width / 2, height / 2))));
const bl = this.addParticle(new Particle(center.add(new Vector2(-width / 2, height / 2))));
this.addConstraint(new DistanceConstraint(tl, tr, borderStiffness));
this.addConstraint(new DistanceConstraint(tr, br, borderStiffness));
this.addConstraint(new DistanceConstraint(br, bl, borderStiffness));
this.addConstraint(new DistanceConstraint(bl, tl, borderStiffness));
this.addConstraint(new DistanceConstraint(tl, br, diagonalStiffness))
.setCollidesWithColliders(false);
this.addConstraint(new DistanceConstraint(bl, tr, diagonalStiffness))
.setCollidesWithColliders(false);
}
}
}