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mirror of https://github.com/troisjs/trois.git synced 2024-11-24 04:12:02 +08:00

update examples

This commit is contained in:
Kevin Levron 2020-09-16 21:12:03 +02:00
parent 83168ee595
commit b66fbdbd7d
3 changed files with 78 additions and 68 deletions

View File

@ -1,7 +1,7 @@
<template>
<Renderer ref="renderer">
<Camera :position="{ z: 100 }"></Camera>
<LambertMaterial id="material" color="#0000ff"></LambertMaterial>
<LambertMaterial id="material"></LambertMaterial>
<Scene>
<PointLight :position="{ x: 0, y: 50, z: 50 }"></PointLight>
<Box ref="box" :size="10" :rotation="{ y: Math.PI / 4, z: Math.PI / 4 }" material="material"></Box>
@ -12,17 +12,17 @@
<script>
import {
Renderer, Camera, Scene,
LambertMaterial,
PointLight,
Box,
LambertMaterial,
} from '../index.js';
export default {
components: {
Renderer, Camera, Scene,
LambertMaterial,
PointLight,
Box,
LambertMaterial,
},
mounted() {
const renderer = this.$refs.renderer;

View File

@ -1,86 +1,100 @@
<template>
<Renderer ref="renderer" :shadow="true" mouse-move="body" :mouse-raycast="true">
<Renderer ref="renderer" :orbit-ctrl="{ enableDamping: true, dampingFactor: 0.05 }" mouse-move="body" :mouse-raycast="true">
<Camera :position="{ z: 200 }"></Camera>
<!-- Not possible to use the same material for Mesh and InstancedMesh -->
<PhongMaterial id="material1" color="#ffffff"></PhongMaterial>
<PhongMaterial id="material2" color="#ffffff"></PhongMaterial>
<Scene id="scene1">
<PointLight ref="light" :intensity="0.5" :position="{ z: 200 }" :cast-shadow="true" :shadow-map-size="{ width: 2048, height: 2048 }"></PointLight>
<Plane ref="plane" material="material1" :receive-shadow="true"></Plane>
<InstancedMesh ref="imesh" material="material2" :count="500" :cast-shadow="true" :receive-shadow="true">
<BoxGeometry :size="5"></BoxGeometry>
<StandardMaterial id="material" :transparent="true" :opacity="0.9" :metalness="0.8" :roughness="0.5"></StandardMaterial>
<Scene id="scene1" background="#000000">
<AmbientLight color="#808080"></AmbientLight>
<PointLight ref="light" color="#ff6000"></PointLight>
<PointLight ref="light" color="#0060ff" :intensity="0.5" :position="{ z: 200 }"></PointLight>
<InstancedMesh ref="imesh" material="material" :count="NUM_INSTANCES">
<BoxGeometry :width="2" :height="2" :depth="10"></BoxGeometry>
</InstancedMesh>
</Scene>
</Renderer>
</template>
<script>
import { Object3D, MathUtils } from 'three';
import { Object3D, MathUtils, Vector3 } from 'three';
import {
Renderer, Camera, Scene,
PointLight,
PhongMaterial,
Plane, InstancedMesh, BoxGeometry,
Renderer, Camera, Scene, AmbientLight, PointLight,
StandardMaterial, InstancedMesh, BoxGeometry,
} from '../index.js';
import { lerp } from '../tools.js';
const {
randFloat: rnd,
randFloatSpread: rndFS,
} = MathUtils;
export default {
components: {
Renderer, Camera, Scene,
PointLight,
PhongMaterial,
Plane, InstancedMesh, BoxGeometry,
Renderer, Camera, Scene, AmbientLight, PointLight,
StandardMaterial, InstancedMesh, BoxGeometry,
},
setup() {
const NUM_INSTANCES = 2500;
const instances = [];
const target = new Vector3();
const dummy = new Object3D();
for (let i = 0; i < NUM_INSTANCES; i++) {
instances.push({
position: new Vector3(rndFS(200), rndFS(200), rndFS(200)),
scale: rnd(0.2, 1),
scaleZ: rnd(0.1, 1),
velocity: new Vector3(rndFS(2), rndFS(2), rndFS(2)),
attraction: 0.03 + rnd(-0.01, 0.01),
vlimit: 1.2 + rnd(-0.1, 0.1),
});
}
return {
NUM_INSTANCES,
instances,
target,
dummy,
};
},
mounted() {
this.renderer = this.$refs.renderer;
this.three = this.renderer.three;
this.imesh = this.$refs.imesh.mesh;
this.light = this.$refs.light.light;
this.init();
},
methods: {
init() {
this.updatePlaneSize();
this.renderer.onAfterResize(this.updatePlaneSize);
// init instanced mesh matrix
const { randFloat: rnd, randFloatSpread: rndFS } = MathUtils;
const imesh = this.$refs.imesh.mesh;
const dummy = new Object3D();
for (let i = 0; i < 500; i++) {
dummy.position.set(rndFS(200), rndFS(200), rnd(10, 50));
dummy.rotation.set(rndFS(1), rndFS(1), rndFS(1));
// const scale = rnd(0.2, 1);
// dummy.scale.set(scale, scale, scale);
dummy.updateMatrix();
imesh.setMatrixAt(i, dummy.matrix);
for (let i = 0; i < this.NUM_INSTANCES; i++) {
const { position, scale } = this.instances[i];
this.dummy.position.copy(position);
this.dummy.scale.set(scale, scale, scale);
this.dummy.updateMatrix();
this.imesh.setMatrixAt(i, this.dummy.matrix);
}
imesh.instanceMatrix.needsUpdate = true;
this.imesh.instanceMatrix.needsUpdate = true;
// light move
const light = this.$refs.light.light;
this.renderer.onBeforeRender(() => {
const pos = this.three.mouseV3;
// light.position.x = pos.x;
// light.position.y = pos.y;
light.position.x = lerp(light.position.x, pos.x, 0.05);
light.position.y = lerp(light.position.y, pos.y, 0.05);
});
// const light = this.$refs.light.light;
// this.renderer.onBeforeRender(() => {
// const t = Date.now() * 0.0001;
// const c1 = Math.cos(t), c2 = c1 * Math.sin(t * 1.4);
// light.position.set(c1 * 100, c2 * 100, 150);
// });
// animate
this.renderer.onBeforeRender(this.animate);
},
updatePlaneSize() {
const plane = this.$refs.plane.mesh;
plane.scale.x = this.three.size.wWidth;
plane.scale.y = this.three.size.wHeight;
animate() {
this.target.copy(this.renderer.three.mouseV3);
this.light.position.copy(this.target);
const v = new Vector3();
for (let i = 0; i < this.NUM_INSTANCES; i++) {
const { position, scale, scaleZ, velocity, attraction, vlimit } = this.instances[i];
v.copy(this.target).sub(position).normalize().multiplyScalar(attraction);
velocity.add(v).clampScalar(-vlimit, vlimit);
position.add(velocity);
this.dummy.position.copy(position);
this.dummy.scale.set(scale, scale, scaleZ);
this.dummy.lookAt(v.copy(position).add(velocity));
this.dummy.updateMatrix();
this.imesh.setMatrixAt(i, this.dummy.matrix);
}
this.imesh.instanceMatrix.needsUpdate = true;
},
},
};

View File

@ -3,8 +3,8 @@
<Camera :position="{ z: 100 }"></Camera>
<PhongMaterial id="material" color="#ffffff"></PhongMaterial>
<Scene id="scene1" background="#ffffff">
<!-- <SpotLight color="#ffffff" :intensity="0.5" :position="{ y: 20, z: 50 }"></SpotLight> -->
<!-- <SpotLight color="#ff0000" :intensity="0.5" :position="{ y: -20, z: 50 }"></SpotLight> -->
<!-- <SpotLight color="#ffffff" :intensity="0.5" :position="{ y: 50, z: 50 }"></SpotLight> -->
<!-- <SpotLight color="#ff0000" :intensity="0.5" :position="{ y: -50, z: 50 }"></SpotLight> -->
<PointLight color="#ffffff" :intensity="0.5" :position="{ y: 50, z: 50 }"></PointLight>
<PointLight color="#ff0000" :intensity="0.5" :position="{ y: -50, z: 50 }"></PointLight>
<InstancedMesh ref="imesh" material="material" :count="1000">
@ -32,11 +32,10 @@ export default {
InstancedMesh, SphereGeometry,
},
mounted() {
// const renderer = this.$refs.renderer;
const { randFloat: rnd, randFloatSpread: rndFS } = MathUtils;
// init instanced mesh matrix
const imesh = this.$refs.imesh.mesh;
const dummy = new Object3D();
const { randFloat: rnd, randFloatSpread: rndFS } = MathUtils;
for (let i = 0; i < 1000; i++) {
dummy.position.set(rndFS(100), rndFS(100), rndFS(100));
const scale = rnd(0.2, 1);
@ -45,9 +44,6 @@ export default {
imesh.setMatrixAt(i, dummy.matrix);
}
imesh.instanceMatrix.needsUpdate = true;
// renderer.onBeforeRender(() => {
// });
},
};
</script>