mirror of
https://github.com/galacean/engine.git
synced 2026-06-01 08:14:10 +08:00
feat: update doc
This commit is contained in:
@@ -17,149 +17,112 @@ import {
|
||||
Entity,
|
||||
Vector3,
|
||||
WebGLEngine,
|
||||
PointerEventData
|
||||
} from "@galacean/engine";
|
||||
import { LitePhysics } from "@galacean/engine-physics-lite";
|
||||
|
||||
// Create engine
|
||||
WebGLEngine.create({ canvas: "canvas", physics: new LitePhysics() }).then(
|
||||
(engine) => {
|
||||
engine.canvas.resizeByClientSize();
|
||||
const invCanvasWidth = 1 / engine.canvas.width;
|
||||
const invCanvasHeight = 1 / engine.canvas.height;
|
||||
// @ts-ignore
|
||||
const inputManager = engine.inputManager;
|
||||
const scene = engine.sceneManager.activeScene;
|
||||
const rootEntity = scene.createRootEntity("root");
|
||||
WebGLEngine.create({ canvas: "canvas", physics: new LitePhysics() }).then((engine) => {
|
||||
engine.canvas.resizeByClientSize();
|
||||
const invCanvasWidth = 1 / engine.canvas.width;
|
||||
const invCanvasHeight = 1 / engine.canvas.height;
|
||||
// @ts-ignore
|
||||
const inputManager = engine.inputManager;
|
||||
const scene = engine.sceneManager.activeScene;
|
||||
const rootEntity = scene.createRootEntity("root");
|
||||
|
||||
scene.ambientLight.diffuseSolidColor.set(1, 1, 1, 1);
|
||||
scene.ambientLight.diffuseIntensity = 1.2;
|
||||
scene.ambientLight.diffuseSolidColor.set(1, 1, 1, 1);
|
||||
scene.ambientLight.diffuseIntensity = 1.2;
|
||||
|
||||
// init camera
|
||||
const cameraEntity = rootEntity.createChild("camera");
|
||||
const camera = cameraEntity.addComponent(Camera);
|
||||
cameraEntity.transform.setPosition(10, 10, 10);
|
||||
cameraEntity.transform.lookAt(new Vector3(0, 0, 0));
|
||||
// init camera
|
||||
const cameraEntity = rootEntity.createChild("camera");
|
||||
const camera = cameraEntity.addComponent(Camera);
|
||||
cameraEntity.transform.setPosition(10, 10, 10);
|
||||
cameraEntity.transform.lookAt(new Vector3(0, 0, 0));
|
||||
|
||||
// init point light
|
||||
let light = rootEntity.createChild("light1");
|
||||
light.transform.setPosition(-8, -2, 8);
|
||||
light.addComponent(PointLight).intensity = 0.12;
|
||||
// init point light
|
||||
let light = rootEntity.createChild("light1");
|
||||
light.transform.setPosition(-8, -2, 8);
|
||||
light.addComponent(PointLight).intensity = 0.12;
|
||||
|
||||
light = rootEntity.createChild("light2");
|
||||
light.transform.setPosition(8, -2, 0);
|
||||
light.addComponent(PointLight).intensity = 0.12;
|
||||
light = rootEntity.createChild("light2");
|
||||
light.transform.setPosition(8, -2, 0);
|
||||
light.addComponent(PointLight).intensity = 0.12;
|
||||
|
||||
class PanScript extends Script {
|
||||
private startPointerPos = new Vector3();
|
||||
private tempVec2: Vector2 = new Vector2();
|
||||
private tempVec3: Vector3 = new Vector3();
|
||||
private zValue: number = 0;
|
||||
class PanScript extends Script {
|
||||
private startPointerPos = new Vector3();
|
||||
private tempVec2: Vector2 = new Vector2();
|
||||
private tempVec3: Vector3 = new Vector3();
|
||||
private zValue: number = 0;
|
||||
|
||||
onPointerDown(pointer: Pointer) {
|
||||
this.zValue = camera.worldToViewportPoint(
|
||||
this.entity.transform.worldPosition,
|
||||
this.tempVec3
|
||||
).z;
|
||||
const { tempVec2, tempVec3 } = this;
|
||||
tempVec2.copyFrom(pointer.position);
|
||||
tempVec3.set(
|
||||
tempVec2.x * invCanvasWidth,
|
||||
tempVec2.y * invCanvasHeight,
|
||||
this.zValue
|
||||
);
|
||||
camera.viewportToWorldPoint(tempVec3, this.startPointerPos);
|
||||
}
|
||||
|
||||
onPointerDrag(pointer: Pointer) {
|
||||
const { tempVec2, tempVec3, startPointerPos } = this;
|
||||
const { transform } = this.entity;
|
||||
tempVec2.copyFrom(pointer.position);
|
||||
tempVec3.set(
|
||||
tempVec2.x * invCanvasWidth,
|
||||
tempVec2.y * invCanvasHeight,
|
||||
this.zValue
|
||||
);
|
||||
camera.viewportToWorldPoint(tempVec3, tempVec3);
|
||||
Vector3.subtract(tempVec3, startPointerPos, startPointerPos);
|
||||
transform.worldPosition.add(startPointerPos);
|
||||
startPointerPos.copyFrom(tempVec3);
|
||||
}
|
||||
onPointerBeginDrag(eventData: PointerEventData) {
|
||||
this.zValue = camera.worldToViewportPoint(this.entity.transform.worldPosition, this.tempVec3).z;
|
||||
const { tempVec2, tempVec3 } = this;
|
||||
tempVec2.copyFrom(eventData.pointer.position);
|
||||
tempVec3.set(tempVec2.x * invCanvasWidth, tempVec2.y * invCanvasHeight, this.zValue);
|
||||
camera.viewportToWorldPoint(tempVec3, this.startPointerPos);
|
||||
}
|
||||
|
||||
class ClickScript extends Script {
|
||||
private material: BlinnPhongMaterial;
|
||||
onStart() {
|
||||
this.material = <BlinnPhongMaterial>(
|
||||
this.entity.getComponent(MeshRenderer).getInstanceMaterial()
|
||||
);
|
||||
}
|
||||
|
||||
onPointerClick() {
|
||||
this.material.baseColor.set(
|
||||
Math.random(),
|
||||
Math.random(),
|
||||
Math.random(),
|
||||
1.0
|
||||
);
|
||||
}
|
||||
onPointerDrag(eventData: PointerEventData) {
|
||||
const { tempVec2, tempVec3, startPointerPos } = this;
|
||||
const { transform } = this.entity;
|
||||
tempVec2.copyFrom(eventData.pointer.position);
|
||||
tempVec3.set(tempVec2.x * invCanvasWidth, tempVec2.y * invCanvasHeight, this.zValue);
|
||||
camera.viewportToWorldPoint(tempVec3, tempVec3);
|
||||
Vector3.subtract(tempVec3, startPointerPos, startPointerPos);
|
||||
transform.worldPosition.add(startPointerPos);
|
||||
startPointerPos.copyFrom(tempVec3);
|
||||
}
|
||||
|
||||
class EnterExitScript extends Script {
|
||||
private material: BlinnPhongMaterial;
|
||||
onStart() {
|
||||
this.material = <BlinnPhongMaterial>(
|
||||
this.entity.getComponent(MeshRenderer).getInstanceMaterial()
|
||||
);
|
||||
}
|
||||
|
||||
onPointerEnter() {
|
||||
this.material.baseColor.set(
|
||||
Math.random(),
|
||||
Math.random(),
|
||||
Math.random(),
|
||||
1.0
|
||||
);
|
||||
}
|
||||
|
||||
onPointerExit() {
|
||||
this.material.baseColor.set(
|
||||
Math.random(),
|
||||
Math.random(),
|
||||
Math.random(),
|
||||
1.0
|
||||
);
|
||||
}
|
||||
}
|
||||
|
||||
function createBox(x: number, y: number, z: number): Entity {
|
||||
// create box test entity
|
||||
const cubeSize = 2.0;
|
||||
const boxEntity = rootEntity.createChild("BoxEntity");
|
||||
boxEntity.transform.setPosition(x, y, z);
|
||||
|
||||
const boxMtl = new BlinnPhongMaterial(engine);
|
||||
const boxRenderer = boxEntity.addComponent(MeshRenderer);
|
||||
boxMtl.baseColor.set(0.6, 0.3, 0.3, 1.0);
|
||||
boxRenderer.mesh = PrimitiveMesh.createCuboid(
|
||||
engine,
|
||||
cubeSize,
|
||||
cubeSize,
|
||||
cubeSize
|
||||
);
|
||||
boxRenderer.setMaterial(boxMtl);
|
||||
|
||||
const boxCollider: StaticCollider =
|
||||
boxEntity.addComponent(StaticCollider);
|
||||
const boxColliderShape = new BoxColliderShape();
|
||||
boxColliderShape.size.set(cubeSize, cubeSize, cubeSize);
|
||||
boxCollider.addShape(boxColliderShape);
|
||||
return boxEntity;
|
||||
}
|
||||
createBox(0, 0, 0).addComponent(PanScript);
|
||||
createBox(3, 0, -3).addComponent(ClickScript);
|
||||
createBox(-3, 0, 3).addComponent(EnterExitScript);
|
||||
|
||||
// Run engine
|
||||
engine.run();
|
||||
}
|
||||
);
|
||||
|
||||
class ClickScript extends Script {
|
||||
private material: BlinnPhongMaterial;
|
||||
onStart() {
|
||||
this.material = <BlinnPhongMaterial>this.entity.getComponent(MeshRenderer).getInstanceMaterial();
|
||||
}
|
||||
|
||||
onPointerClick() {
|
||||
this.material.baseColor.set(Math.random(), Math.random(), Math.random(), 1.0);
|
||||
}
|
||||
}
|
||||
|
||||
class EnterExitScript extends Script {
|
||||
private material: BlinnPhongMaterial;
|
||||
onStart() {
|
||||
this.material = <BlinnPhongMaterial>this.entity.getComponent(MeshRenderer).getInstanceMaterial();
|
||||
}
|
||||
|
||||
onPointerEnter() {
|
||||
this.material.baseColor.set(Math.random(), Math.random(), Math.random(), 1.0);
|
||||
}
|
||||
|
||||
onPointerExit() {
|
||||
this.material.baseColor.set(Math.random(), Math.random(), Math.random(), 1.0);
|
||||
}
|
||||
}
|
||||
|
||||
function createBox(x: number, y: number, z: number): Entity {
|
||||
// create box test entity
|
||||
const cubeSize = 2.0;
|
||||
const boxEntity = rootEntity.createChild("BoxEntity");
|
||||
boxEntity.transform.setPosition(x, y, z);
|
||||
|
||||
const boxMtl = new BlinnPhongMaterial(engine);
|
||||
const boxRenderer = boxEntity.addComponent(MeshRenderer);
|
||||
boxMtl.baseColor.set(0.6, 0.3, 0.3, 1.0);
|
||||
boxRenderer.mesh = PrimitiveMesh.createCuboid(engine, cubeSize, cubeSize, cubeSize);
|
||||
boxRenderer.setMaterial(boxMtl);
|
||||
|
||||
const boxCollider: StaticCollider = boxEntity.addComponent(StaticCollider);
|
||||
const boxColliderShape = new BoxColliderShape();
|
||||
boxColliderShape.size.set(cubeSize, cubeSize, cubeSize);
|
||||
boxCollider.addShape(boxColliderShape);
|
||||
return boxEntity;
|
||||
}
|
||||
createBox(0, 0, 0).addComponent(PanScript);
|
||||
createBox(3, 0, -3).addComponent(ClickScript);
|
||||
createBox(-3, 0, 3).addComponent(EnterExitScript);
|
||||
|
||||
// Run engine
|
||||
engine.run();
|
||||
});
|
||||
|
||||
Reference in New Issue
Block a user