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元球

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This commit is contained in:
ifengzp 2020-05-15 01:46:24 +08:00
parent bfa30112b0
commit 34060ecdfb
16 changed files with 816 additions and 0 deletions
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7
assets/Scene/Metaball.meta Normal file
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{
"ver": "1.0.1",
"uuid": "e7d3241c-f464-4004-abf2-272c0f48f77d",
"isSubpackage": false,
"subpackageName": "",
"subMetas": {}
}

85
assets/Scene/Metaball/Metaball.effect Normal file
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// Copyright (c) 2017-2018 Xiamen Yaji Software Co., Ltd.
CCEffect %{
techniques:
- passes:
- vert: vs
frag: fs
blendState:
targets:
- blend: true
rasterizerState:
cullMode: none
properties:
texture: { value: white }
u_point: { value: [ 0.5, 0.5 ] }
u_radius: { value: 0.1 }
}%
CCProgram vs %{
precision highp float;
#include <cc-global>
#include <cc-local>
in vec3 a_position;
in vec4 a_color;
out vec4 v_color;
#if USE_TEXTURE
in vec2 a_uv0;
out vec2 v_uv0;
#endif
void main () {
vec4 pos = vec4(a_position, 1);
#if CC_USE_MODEL
pos = cc_matViewProj * cc_matWorld * pos;
#else
pos = cc_matViewProj * pos;
#endif
#if USE_TEXTURE
v_uv0 = a_uv0;
#endif
v_color = a_color;
gl_Position = pos;
}
}%
CCProgram fs %{
precision highp float;
#include <alpha-test>
#include <cc-global>
in vec4 v_color;
#if USE_TEXTURE
in vec2 v_uv0;
uniform sampler2D texture;
#endif
uniform ARGS {
vec2 u_point;
float u_radius;
};
float energy(float r, vec2 point1, vec2 point2) {
return (r * r) / ((point1.x - point2.x) * (point1.x - point2.x) + (point1.y - point2.y) * (point1.y - point2.y));
}
void main(){
vec4 color = texture(texture, v_uv0);
float fragEnergy = energy(u_radius + 0.1, v_uv0.xy, vec2(0.5)) + energy(u_radius, v_uv0.xy, u_point);
color.a = smoothstep(0.95, 1.0, fragEnergy);
gl_FragColor = color;
}
}%

17
assets/Scene/Metaball/Metaball.effect.meta Normal file
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{
"ver": "1.0.25",
"uuid": "9334fb7c-0605-4285-8664-be8c2f8cc5b6",
"compiledShaders": [
{
"glsl1": {
"vert": "\nprecision highp float;\nuniform mediump mat4 cc_matViewProj;\nuniform mat4 cc_matWorld;\nattribute vec3 a_position;\nattribute vec4 a_color;\nvarying vec4 v_color;\n#if USE_TEXTURE\nattribute vec2 a_uv0;\nvarying vec2 v_uv0;\n#endif\nvoid main () {\n vec4 pos = vec4(a_position, 1);\n #if CC_USE_MODEL\n pos = cc_matViewProj * cc_matWorld * pos;\n #else\n pos = cc_matViewProj * pos;\n #endif\n #if USE_TEXTURE\n v_uv0 = a_uv0;\n #endif\n v_color = a_color;\n gl_Position = pos;\n}",
"frag": "\nprecision highp float;\n#if USE_ALPHA_TEST\n#endif\nvarying vec4 v_color;\n#if USE_TEXTURE\nvarying vec2 v_uv0;\nuniform sampler2D texture;\n#endif\nuniform vec2 u_point;\nuniform float u_radius;\nfloat energy(float r, vec2 point1, vec2 point2) {\n return (r * r) / ((point1.x - point2.x) * (point1.x - point2.x) + (point1.y - point2.y) * (point1.y - point2.y));\n}\nvoid main(){\n vec4 color = texture2D(texture, v_uv0);\n float fragEnergy = energy(u_radius + 0.1, v_uv0.xy, vec2(0.5)) + energy(u_radius, v_uv0.xy, u_point);\n color.a = smoothstep(0.95, 1.0, fragEnergy);\n gl_FragColor = color;\n}"
},
"glsl3": {
"vert": "\nprecision highp float;\nuniform CCGlobal {\n highp vec4 cc_time;\n mediump vec4 cc_screenSize;\n mediump vec4 cc_screenScale;\n mediump vec4 cc_nativeSize;\n highp mat4 cc_matView;\n mediump mat4 cc_matViewInv;\n mediump mat4 cc_matProj;\n mediump mat4 cc_matProjInv;\n mediump mat4 cc_matViewProj;\n mediump mat4 cc_matViewProjInv;\n mediump vec4 cc_cameraPos;\n};\nuniform CCLocal {\n mat4 cc_matWorld;\n mat4 cc_matWorldIT;\n};\nin vec3 a_position;\nin vec4 a_color;\nout vec4 v_color;\n#if USE_TEXTURE\nin vec2 a_uv0;\nout vec2 v_uv0;\n#endif\nvoid main () {\n vec4 pos = vec4(a_position, 1);\n #if CC_USE_MODEL\n pos = cc_matViewProj * cc_matWorld * pos;\n #else\n pos = cc_matViewProj * pos;\n #endif\n #if USE_TEXTURE\n v_uv0 = a_uv0;\n #endif\n v_color = a_color;\n gl_Position = pos;\n}",
"frag": "\nprecision highp float;\n#if USE_ALPHA_TEST\n uniform ALPHA_TEST {\n float alphaThreshold;\n };\n#endif\nuniform CCGlobal {\n highp vec4 cc_time;\n mediump vec4 cc_screenSize;\n mediump vec4 cc_screenScale;\n mediump vec4 cc_nativeSize;\n highp mat4 cc_matView;\n mediump mat4 cc_matViewInv;\n mediump mat4 cc_matProj;\n mediump mat4 cc_matProjInv;\n mediump mat4 cc_matViewProj;\n mediump mat4 cc_matViewProjInv;\n mediump vec4 cc_cameraPos;\n};\nin vec4 v_color;\n#if USE_TEXTURE\nin vec2 v_uv0;\nuniform sampler2D texture;\n#endif\nuniform ARGS {\n vec2 u_point;\n float u_radius;\n};\nfloat energy(float r, vec2 point1, vec2 point2) {\n return (r * r) / ((point1.x - point2.x) * (point1.x - point2.x) + (point1.y - point2.y) * (point1.y - point2.y));\n}\nvoid main(){\n vec4 color = texture(texture, v_uv0);\n float fragEnergy = energy(u_radius + 0.1, v_uv0.xy, vec2(0.5)) + energy(u_radius, v_uv0.xy, u_point);\n color.a = smoothstep(0.95, 1.0, fragEnergy);\n gl_FragColor = color;\n}"
}
}
],
"subMetas": {}
}

544
assets/Scene/Metaball/Metaball.fire Normal file
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7
assets/Scene/Metaball/Metaball.fire.meta Normal file
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20
assets/Scene/Metaball/Metaball.mtl Normal file
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{
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assets/Scene/Metaball/Metaball.mtl.meta Normal file
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22
assets/Scene/Metaball/Metaball.ts Normal file
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const { ccclass, property } = cc._decorator;
@ccclass
export default class Metaball extends cc.Component {
@property(cc.Node)
ball: cc.Node = null;
material: cc.Material = null;
onLoad() {
this.material = this.ball.getComponent(cc.Sprite).getMaterial(0);
this.touchStartPoint = cc.v2(this.ball.width / 2,this.ball.height/2);
this.ball.on(cc.Node.EventType.TOUCH_MOVE, this.touchMoveEvent, this);
}
touchStartPoint: cc.Vec2= null;
touchMoveEvent(evt: cc.Event.EventTouch) {
this.touchStartPoint = this.touchStartPoint.add(evt.getDelta());
const x = this.touchStartPoint.x;
const y = this.ball.height - this.touchStartPoint.y;
this.material.setProperty('u_point', [ x / this.ball.width, y / this.ball.height]);
}
}

9
assets/Scene/Metaball/Metaball.ts.meta Normal file
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"isPlugin": false,
"loadPluginInWeb": true,
"loadPluginInNative": true,
"loadPluginInEditor": false,
"subMetas": {}
}

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assets/Scene/Metaball/Texture/bg.png.meta Normal file
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11
assets/Scene/Metaball/Untitled-1.js Normal file
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//原始=>响应式
let toProxy = new WeakMap();
//响应式=》原始
let toRaw = new WeakMap();
//响应式
function reactive() {}
function computed() {}

9
assets/Scene/Metaball/Untitled-1.js.meta Normal file
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{
"ver": "1.0.5",
"uuid": "01fae144-cddd-4304-bbae-d21f44193eed",
"isPlugin": false,
"loadPluginInWeb": true,
"loadPluginInNative": true,
"loadPluginInEditor": false,
"subMetas": {}
}