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rapier2d示例

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janing
2025-11-30 20:56:51 +08:00
parent e8a07c695e
commit a0220bdbed
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tools/flashfin-rapier2d/assets/scripts/SceneRapier2d.ts Normal file
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import { _decorator, Color, Component, instantiate, Label, Node, Prefab, Sprite } from 'cc';
import * as cc from 'cc';
import RAPIER, { IntegrationParameters } from '@dimforge/rapier2d-compat';
import { RAPIER_PTM_RATIO, RapierDebugRenderer } from './RapierDebugRenderer';
import { logger } from './Clogger';
const { ccclass, property } = _decorator;
@ccclass('SceneRapier2d')
export class SceneRapier2d extends Component {
@property(Node)
node_fps:Node|null = null;
@property(Node)
node_counts:Node|null = null;
@property(Prefab)
prefab_item:Prefab|null = null;
@property(Node)
container_balls:Node|null = null;
@property(cc.Node)
node_switch:cc.Node|null = null;
@property(cc.Node)
node_switchscene:cc.Node|null = null;
private _timeAccumulator: any;
private _countAcc: any;
private world: RAPIER.World;
private gravity = new RAPIER.Vector2(0, -10);
private _initComplete: boolean = false;
private _rigidBody: RAPIER.RigidBody;
private _debugRenderer: RapierDebugRenderer;
//将一个node和一个RigidBody绑定
private _mapNodeBalls: Map<Node, RAPIER.RigidBody> = new Map<Node, RAPIER.RigidBody>();
protected async onLoad(): Promise<void> {
logger.log('dballs onLoad');
RAPIER.init().then(() => {
logger.log('RAPIER.init success');
this._initComplete = true;
// 创建物理世界
this.world = new RAPIER.World(this.gravity);
this.fillWorld();
this._debugRenderer = this.getComponent(RapierDebugRenderer)!;
this._debugRenderer.setWorld(this.world);
this.afterInit();
});
}
afterInit() {
this.node_switch.children[0]!.getComponent(Label).string = this._debugRenderer.onoff ? 'debug:ON' : 'debug:OFF';
this.node_switch.on('click', (b:cc.Button) => {
this._debugRenderer.onoff = !this._debugRenderer.onoff;
this._debugRenderer.clear();
b!.node.children[0]!.getComponent(Label).string = this._debugRenderer.onoff ? 'debug:ON' : 'debug:OFF';
});
}
start() {
logger.log('dballs start');
this.node_switchscene.on('click', (b:cc.Button) => {
cc.director.loadScene('scene_box2d');
});
// this.schedule((dt:number)=>{
// if(!this._initComplete){
// return;
// }
// this.world.step();
// this._mapNodeBalls.forEach((rigidBody, node)=>{
// let position = rigidBody.translation();
// node.setPosition(position.x*RAPIER_PTM_RATIO, position.y*RAPIER_PTM_RATIO);
// node.active = true;
// });
// }, 1/60, cc.macro.REPEAT_FOREVER, 0);
}
fillWorld(){
let world = this.world;
let viewSize = cc.view.getVisibleSize();
let groundRigidBody = world.createRigidBody(new RAPIER.RigidBodyDesc(RAPIER.RigidBodyType.Fixed));
world.createCollider(RAPIER.ColliderDesc.cuboid(viewSize.width/2, 0.5).setTranslation(0,-viewSize.height/(2*RAPIER_PTM_RATIO)).setRestitution(1).setFriction(0.0), groundRigidBody);
let groundRigidBody1 = world.createRigidBody(new RAPIER.RigidBodyDesc(RAPIER.RigidBodyType.Fixed));
world.createCollider(RAPIER.ColliderDesc.cuboid(0.5,viewSize.height/2 ).setTranslation(-viewSize.width/(2*RAPIER_PTM_RATIO),0).setRestitution(1).setFriction(0.0), groundRigidBody1);
let groundRigidBody2 = world.createRigidBody(new RAPIER.RigidBodyDesc(RAPIER.RigidBodyType.Fixed));
world.createCollider(RAPIER.ColliderDesc.cuboid(0.5,viewSize.height/2 ).setTranslation(viewSize.width/(2*RAPIER_PTM_RATIO),0).setRestitution(1).setFriction(0.0), groundRigidBody2);
// let rigidBody = world.createRigidBody(new RAPIER.RigidBodyDesc(RAPIER.RigidBodyType.Dynamic).setTranslation(0.0, 5.0).setLinearDamping(0).setAngularDamping(0));
// let collider = world.createCollider(RAPIER.ColliderDesc.ball(0.5).setDensity(1.0).setRestitution(1).setFriction(0.0), rigidBody);
// this._rigidBody = rigidBody;
}
update(dt: number) {
if (!this._timeAccumulator) {
this._timeAccumulator = 0;
}
this._timeAccumulator += dt;
// if (this._timeAccumulator >= 0.1) {
this.node_fps.getComponent(Label)!.string = `FPS: ${Math.floor(1 / dt)}`;
// this._timeAccumulator = 0;
// }
if(Math.floor(1 / dt) < 30){
return;
}
if (!this._countAcc) {
this._countAcc = 0;
}
//物理系统同步
if(!this._initComplete){
return;
}
this.world.step();
this._mapNodeBalls.forEach((rigidBody, node)=>{
let position = rigidBody.translation();
node.setPosition(position.x*RAPIER_PTM_RATIO, position.y*RAPIER_PTM_RATIO);
node.active = true;
});
// this._countAcc += 1;
// if (this._countAcc >= 60/60) {
for (let i = 0; i < 4; i++) {
let node = instantiate(this.prefab_item);
node.getComponent(Sprite).color = new Color(Math.random()*255, Math.random()*255, Math.random()*255);
node.active = false;
this.container_balls.addChild(node);
let x = (Math.random()*2-1)*cc.view.getVisibleSize().width/2;
let y = 400;
let r = (node.getComponent(cc.UITransform).width-2)/2 ;
let rigidBody = this.world.createRigidBody(new RAPIER.RigidBodyDesc(RAPIER.RigidBodyType.Dynamic).setTranslation(x/RAPIER_PTM_RATIO, y/RAPIER_PTM_RATIO).setLinearDamping(0).setAngularDamping(0).setCanSleep(false));
this.world.createCollider(RAPIER.ColliderDesc.ball(r/RAPIER_PTM_RATIO).setDensity(1.0).setRestitution(0.5).setFriction(0.0), rigidBody);
this._mapNodeBalls.set(node, rigidBody);
// node.setPosition(x, 400);
// this._listBalls.push(node);
}
this.node_counts.getComponent(Label)!.string = `BALLS: ${this.container_balls.children.length}`;
// this._countAcc = 0;
// }
}
}