Test_Project_Cocos/CocosCreator-Shader-Effect-Demo
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调整点光的部分代码

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caizhitao 2020-01-13 22:40:10 +08:00
parent dccf05cfde
commit 6402c68fbc
4 changed files with 20 additions and 24 deletions
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8
assets/effects/sprite-point-light.effect
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@ -116,7 +116,7 @@ CCProgram fs %{
/** /**
* 添加某个扩散点后混合后的纹理颜色 * 添加某个扩散点后混合后的纹理颜色
*/ */
vec4 addDiffusionColor(vec4 textureColor, vec2 centerPoint, float radius, vec4 centerColor) { vec4 addLightColor(vec4 textureColor, vec2 centerPoint, float radius, vec4 centerColor) {
// 计算当前 uv 到扩散起点的距离 // 计算当前 uv 到扩散起点的距离
float dis = distance(v_uv0, centerPoint); float dis = distance(v_uv0, centerPoint);
@ -135,10 +135,6 @@ CCProgram fs %{
// 加入从中心往外渐变的效果 // 加入从中心往外渐变的效果
a *= 1.0 - (dis / radius); a *= 1.0 - (dis / radius);
// 加点料，让中心点更加亮
// a = -1.0 * (a - 1.0) * (a - 1.0) + 1.0;
// a = -1.0 * (a - 1.0) * (a - 1.0) * (a - 1.0) * (a - 1.0) + 1.0;
// 计算出扩散范围内，不同 uv 对应的实际扩散颜色值 // 计算出扩散范围内，不同 uv 对应的实际扩散颜色值
vec4 diffusionColor = centerColor * a; vec4 diffusionColor = centerColor * a;
@ -164,7 +160,7 @@ CCProgram fs %{
gl_FragColor = o; gl_FragColor = o;
#if ENABLE_DIFFUSION #if ENABLE_DIFFUSION
gl_FragColor = addDiffusionColor(gl_FragColor, centerPoint, radius, centerColor); gl_FragColor = addLightColor(gl_FragColor, centerPoint, radius, centerColor);
#endif #endif
} }
}% }%

4
assets/effects/sprite-point-light.effect.meta
View File

@ -5,11 +5,11 @@
{ {
"glsl1": { "glsl1": {
"vert": "\nprecision highp float;\nuniform mat4 cc_matViewProj;\nuniform mat4 cc_matWorld;\n\nattribute vec3 a_position;\nattribute vec4 a_color;\nvarying vec4 v_color;\n\n#if USE_TEXTURE\nattribute vec2 a_uv0;\nvarying vec2 v_uv0;\n#endif\n\nvoid main () {\n vec4 pos = vec4(a_position, 1);\n\n #if CC_USE_MODEL\n pos = cc_matViewProj * cc_matWorld * pos;\n #else\n pos = cc_matViewProj * pos;\n #endif\n\n #if USE_TEXTURE\n v_uv0 = a_uv0;\n #endif\n\n v_color = a_color;\n\n gl_Position = pos;\n}\n", "vert": "\nprecision highp float;\nuniform mat4 cc_matViewProj;\nuniform mat4 cc_matWorld;\n\nattribute vec3 a_position;\nattribute vec4 a_color;\nvarying vec4 v_color;\n\n#if USE_TEXTURE\nattribute vec2 a_uv0;\nvarying vec2 v_uv0;\n#endif\n\nvoid main () {\n vec4 pos = vec4(a_position, 1);\n\n #if CC_USE_MODEL\n pos = cc_matViewProj * cc_matWorld * pos;\n #else\n pos = cc_matViewProj * pos;\n #endif\n\n #if USE_TEXTURE\n v_uv0 = a_uv0;\n #endif\n\n v_color = a_color;\n\n gl_Position = pos;\n}\n",
"frag": "\nprecision highp float;\n\n#if USE_ALPHA_TEST\n \n uniform float alphaThreshold;\n#endif\n\nvoid ALPHA_TEST (in vec4 color) {\n #if USE_ALPHA_TEST\n if (color.a < alphaThreshold) discard;\n #endif\n}\n\nvoid ALPHA_TEST (in float alpha) {\n #if USE_ALPHA_TEST\n if (alpha < alphaThreshold) discard;\n #endif\n}\n\nvarying vec4 v_color;\n\n#if USE_TEXTURE\nvarying vec2 v_uv0;\nuniform sampler2D texture;\n#endif\n\n#if ENABLE_DIFFUSION\nuniform vec4 centerColor;\nuniform vec2 centerPoint;\nuniform float radius;\nuniform bool cropAlpha;\nuniform bool enableFog;\n/**\n * 添加某个扩散点后混合后的纹理颜色\n */\nvec4 addDiffusionColor(vec4 textureColor, vec2 centerPoint, float radius, vec4 centerColor) {\n\n float dis = distance(v_uv0, centerPoint);\n\n float a = 1.0 ;\n\n if (cropAlpha) {\n a *= step(0.01, textureColor.a);\n }\n\n if (!enableFog) {\n a *= step(dis, radius);\n }\n\n a *= 1.0 - (dis / radius);\n\n vec4 diffusionColor = centerColor * a;\n\n return textureColor * textureColor.a + diffusionColor;\n}\n#endif\n\nvoid main () {\n vec4 o = vec4(1, 1, 1, 1);\n\n #if USE_TEXTURE\n o *= texture2D(texture, v_uv0);\n #if CC_USE_ALPHA_ATLAS_TEXTURE\n o.a *= texture2D(texture, v_uv0 + vec2(0, 0.5)).r;\n #endif\n #endif\n\n o *= v_color;\n\n ALPHA_TEST(o);\n\n gl_FragColor = o;\n \n #if ENABLE_DIFFUSION\n gl_FragColor = addDiffusionColor(gl_FragColor, centerPoint, radius, centerColor);\n #endif\n}\n" "frag": "\nprecision highp float;\n\n#if USE_ALPHA_TEST\n \n uniform float alphaThreshold;\n#endif\n\nvoid ALPHA_TEST (in vec4 color) {\n #if USE_ALPHA_TEST\n if (color.a < alphaThreshold) discard;\n #endif\n}\n\nvoid ALPHA_TEST (in float alpha) {\n #if USE_ALPHA_TEST\n if (alpha < alphaThreshold) discard;\n #endif\n}\n\nvarying vec4 v_color;\n\n#if USE_TEXTURE\nvarying vec2 v_uv0;\nuniform sampler2D texture;\n#endif\n\n#if ENABLE_DIFFUSION\nuniform vec4 centerColor;\nuniform vec2 centerPoint;\nuniform float radius;\nuniform bool cropAlpha;\nuniform bool enableFog;\n/**\n * 添加某个扩散点后混合后的纹理颜色\n */\nvec4 addLightColor(vec4 textureColor, vec2 centerPoint, float radius, vec4 centerColor) {\n\n float dis = distance(v_uv0, centerPoint);\n\n float a = 1.0 ;\n\n if (cropAlpha) {\n a *= step(0.01, textureColor.a);\n }\n\n if (!enableFog) {\n a *= step(dis, radius);\n }\n\n a *= 1.0 - (dis / radius);\n\n vec4 diffusionColor = centerColor * a;\n\n return textureColor * textureColor.a + diffusionColor;\n}\n#endif\n\nvoid main () {\n vec4 o = vec4(1, 1, 1, 1);\n\n #if USE_TEXTURE\n o *= texture2D(texture, v_uv0);\n #if CC_USE_ALPHA_ATLAS_TEXTURE\n o.a *= texture2D(texture, v_uv0 + vec2(0, 0.5)).r;\n #endif\n #endif\n\n o *= v_color;\n\n ALPHA_TEST(o);\n\n gl_FragColor = o;\n \n #if ENABLE_DIFFUSION\n gl_FragColor = addLightColor(gl_FragColor, centerPoint, radius, centerColor);\n #endif\n}\n"
}, },
"glsl3": { "glsl3": {
"vert": "\nprecision highp float;\nuniform CCGlobal {\n vec4 cc_time;\n\n vec4 cc_screenSize;\n\n vec4 cc_screenScale;\n\n vec4 cc_nativeSize;\n\n mat4 cc_matView;\n mat4 cc_matViewInv;\n mat4 cc_matProj;\n mat4 cc_matProjInv;\n mat4 cc_matViewProj;\n mat4 cc_matViewProjInv;\n vec4 cc_cameraPos;\n\n vec4 cc_exposure;\n\n vec4 cc_mainLitDir;\n\n vec4 cc_mainLitColor;\n\n vec4 cc_ambientSky;\n vec4 cc_ambientGround;\n};\nuniform CCLocal {\n mat4 cc_matWorld;\n mat4 cc_matWorldIT;\n};\n\nin vec3 a_position;\nin vec4 a_color;\nout vec4 v_color;\n\n#if USE_TEXTURE\nin vec2 a_uv0;\nout vec2 v_uv0;\n#endif\n\nvoid main () {\n vec4 pos = vec4(a_position, 1);\n\n #if CC_USE_MODEL\n pos = cc_matViewProj * cc_matWorld * pos;\n #else\n pos = cc_matViewProj * pos;\n #endif\n\n #if USE_TEXTURE\n v_uv0 = a_uv0;\n #endif\n\n v_color = a_color;\n\n gl_Position = pos;\n}\n", "vert": "\nprecision highp float;\nuniform CCGlobal {\n vec4 cc_time;\n\n vec4 cc_screenSize;\n\n vec4 cc_screenScale;\n\n vec4 cc_nativeSize;\n\n mat4 cc_matView;\n mat4 cc_matViewInv;\n mat4 cc_matProj;\n mat4 cc_matProjInv;\n mat4 cc_matViewProj;\n mat4 cc_matViewProjInv;\n vec4 cc_cameraPos;\n\n vec4 cc_exposure;\n\n vec4 cc_mainLitDir;\n\n vec4 cc_mainLitColor;\n\n vec4 cc_ambientSky;\n vec4 cc_ambientGround;\n};\nuniform CCLocal {\n mat4 cc_matWorld;\n mat4 cc_matWorldIT;\n};\n\nin vec3 a_position;\nin vec4 a_color;\nout vec4 v_color;\n\n#if USE_TEXTURE\nin vec2 a_uv0;\nout vec2 v_uv0;\n#endif\n\nvoid main () {\n vec4 pos = vec4(a_position, 1);\n\n #if CC_USE_MODEL\n pos = cc_matViewProj * cc_matWorld * pos;\n #else\n pos = cc_matViewProj * pos;\n #endif\n\n #if USE_TEXTURE\n v_uv0 = a_uv0;\n #endif\n\n v_color = a_color;\n\n gl_Position = pos;\n}\n",
"frag": "\nprecision highp float;\n\n#if USE_ALPHA_TEST\n \n uniform ALPHA_TEST {\n float alphaThreshold;\n }\n#endif\n\nvoid ALPHA_TEST (in vec4 color) {\n #if USE_ALPHA_TEST\n if (color.a < alphaThreshold) discard;\n #endif\n}\n\nvoid ALPHA_TEST (in float alpha) {\n #if USE_ALPHA_TEST\n if (alpha < alphaThreshold) discard;\n #endif\n}\n\nin vec4 v_color;\n\n#if USE_TEXTURE\nin vec2 v_uv0;\nuniform sampler2D texture;\n#endif\n\n#if ENABLE_DIFFUSION\nuniform Diffusion {\n\n vec4 centerColor;\n\n vec2 centerPoint;\n\n float radius;\n\n bool cropAlpha;\n\n bool enableFog;\n}\n\n/**\n * 添加某个扩散点后混合后的纹理颜色\n */\nvec4 addDiffusionColor(vec4 textureColor, vec2 centerPoint, float radius, vec4 centerColor) {\n\n float dis = distance(v_uv0, centerPoint);\n\n float a = 1.0 ;\n\n if (cropAlpha) {\n a *= step(0.01, textureColor.a);\n }\n\n if (!enableFog) {\n a *= step(dis, radius);\n }\n\n a *= 1.0 - (dis / radius);\n\n vec4 diffusionColor = centerColor * a;\n\n return textureColor * textureColor.a + diffusionColor;\n}\n#endif\n\nvoid main () {\n vec4 o = vec4(1, 1, 1, 1);\n\n #if USE_TEXTURE\n o *= texture(texture, v_uv0);\n #if CC_USE_ALPHA_ATLAS_TEXTURE\n o.a *= texture2D(texture, v_uv0 + vec2(0, 0.5)).r;\n #endif\n #endif\n\n o *= v_color;\n\n ALPHA_TEST(o);\n\n gl_FragColor = o;\n \n #if ENABLE_DIFFUSION\n gl_FragColor = addDiffusionColor(gl_FragColor, centerPoint, radius, centerColor);\n #endif\n}\n" "frag": "\nprecision highp float;\n\n#if USE_ALPHA_TEST\n \n uniform ALPHA_TEST {\n float alphaThreshold;\n }\n#endif\n\nvoid ALPHA_TEST (in vec4 color) {\n #if USE_ALPHA_TEST\n if (color.a < alphaThreshold) discard;\n #endif\n}\n\nvoid ALPHA_TEST (in float alpha) {\n #if USE_ALPHA_TEST\n if (alpha < alphaThreshold) discard;\n #endif\n}\n\nin vec4 v_color;\n\n#if USE_TEXTURE\nin vec2 v_uv0;\nuniform sampler2D texture;\n#endif\n\n#if ENABLE_DIFFUSION\nuniform Diffusion {\n\n vec4 centerColor;\n\n vec2 centerPoint;\n\n float radius;\n\n bool cropAlpha;\n\n bool enableFog;\n}\n\n/**\n * 添加某个扩散点后混合后的纹理颜色\n */\nvec4 addLightColor(vec4 textureColor, vec2 centerPoint, float radius, vec4 centerColor) {\n\n float dis = distance(v_uv0, centerPoint);\n\n float a = 1.0 ;\n\n if (cropAlpha) {\n a *= step(0.01, textureColor.a);\n }\n\n if (!enableFog) {\n a *= step(dis, radius);\n }\n\n a *= 1.0 - (dis / radius);\n\n vec4 diffusionColor = centerColor * a;\n\n return textureColor * textureColor.a + diffusionColor;\n}\n#endif\n\nvoid main () {\n vec4 o = vec4(1, 1, 1, 1);\n\n #if USE_TEXTURE\n o *= texture(texture, v_uv0);\n #if CC_USE_ALPHA_ATLAS_TEXTURE\n o.a *= texture2D(texture, v_uv0 + vec2(0, 0.5)).r;\n #endif\n #endif\n\n o *= v_color;\n\n ALPHA_TEST(o);\n\n gl_FragColor = o;\n \n #if ENABLE_DIFFUSION\n gl_FragColor = addLightColor(gl_FragColor, centerPoint, radius, centerColor);\n #endif\n}\n"
} }
} }
], ],

28
assets/scripts/PointLightCtrlComponent.ts
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@ -2,7 +2,7 @@ const { ccclass, property } = cc._decorator;
@ccclass @ccclass
export default class PointLightCtrlComponent extends cc.Component { export default class PointLightCtrlComponent extends cc.Component {
private _localDiffusionUniform: PointLightUniform = new PointLightUniform(); private _pointLightUBO: PointLightUBO = new PointLightUBO();
onEnable() { onEnable() {
this.node.on(cc.Node.EventType.TOUCH_START, this._onTouchStart, this); this.node.on(cc.Node.EventType.TOUCH_START, this._onTouchStart, this);
@ -26,7 +26,7 @@ export default class PointLightCtrlComponent extends cc.Component {
// 将触摸点转换为OPENGL坐标系并归一化 // 将触摸点转换为OPENGL坐标系并归一化
// OpenGl 坐标系原点在左上角 // OpenGl 坐标系原点在左上角
this._localDiffusionUniform.certerPoint = cc.v2( this._pointLightUBO.centerPoint = cc.v2(
this.node.anchorX + touchPointInNodeSpace.x / this.node.width, this.node.anchorX + touchPointInNodeSpace.x / this.node.width,
1 - (this.node.anchorY + touchPointInNodeSpace.y / this.node.height) 1 - (this.node.anchorY + touchPointInNodeSpace.y / this.node.height)
); );
@ -34,28 +34,28 @@ export default class PointLightCtrlComponent extends cc.Component {
this._updateMaterial(); this._updateMaterial();
} }
private _onPropertyChange(localDiffusionUniform: PointLightUniform) { private _onPropertyChange(pointLightUBO: PointLightUBO) {
this._localDiffusionUniform.centerColor = localDiffusionUniform.centerColor; this._pointLightUBO.centerColor = pointLightUBO.centerColor;
this._localDiffusionUniform.radius = localDiffusionUniform.radius; this._pointLightUBO.radius = pointLightUBO.radius;
this._localDiffusionUniform.cropAlpha = localDiffusionUniform.cropAlpha; this._pointLightUBO.cropAlpha = pointLightUBO.cropAlpha;
this._localDiffusionUniform.enableFog = localDiffusionUniform.enableFog; this._pointLightUBO.enableFog = pointLightUBO.enableFog;
this._updateMaterial(); this._updateMaterial();
} }
private _updateMaterial() { private _updateMaterial() {
this.getComponents(cc.RenderComponent).forEach(renderComponent => { this.getComponents(cc.RenderComponent).forEach(renderComponent => {
let material: cc.Material = renderComponent.getMaterial(0); let material: cc.Material = renderComponent.getMaterial(0);
material.setProperty("centerColor", this._localDiffusionUniform.centerColor); material.setProperty("centerColor", this._pointLightUBO.centerColor);
material.setProperty("centerPoint", this._localDiffusionUniform.certerPoint); material.setProperty("centerPoint", this._pointLightUBO.centerPoint);
material.setProperty("radius", this._localDiffusionUniform.radius); material.setProperty("radius", this._pointLightUBO.radius);
material.setProperty("cropAlpha", this._localDiffusionUniform.cropAlpha); material.setProperty("cropAlpha", this._pointLightUBO.cropAlpha);
material.setProperty("enableFog", this._localDiffusionUniform.enableFog); material.setProperty("enableFog", this._pointLightUBO.enableFog);
renderComponent.setMaterial(0, material); renderComponent.setMaterial(0, material);
}); });
} }
} }
export class PointLightUniform { export class PointLightUBO {
/** /**
* 中心点颜色 * 中心点颜色
*/ */
@ -64,7 +64,7 @@ export class PointLightUniform {
/** /**
* 中心点坐标 ([0.0, 1.0], [0.0, 1.0]) * 中心点坐标 ([0.0, 1.0], [0.0, 1.0])
*/ */
certerPoint: cc.Vec2 = cc.v2(0.5, 0.5); centerPoint: cc.Vec2 = cc.v2(0.5, 0.5);
/** /**
* 扩散半径 [0.0, 1.0] * 扩散半径 [0.0, 1.0]

4
assets/scripts/PointLightEffectScene.ts
View File

@ -1,4 +1,4 @@
import PointLightCtrlComponent, { PointLightUniform } from "./PointLightCtrlComponent"; import PointLightCtrlComponent, { PointLightUBO } from "./PointLightCtrlComponent";
const { ccclass, property } = cc._decorator; const { ccclass, property } = cc._decorator;
@ -78,7 +78,7 @@ export default class PointLightEffectScene extends cc.Component {
// 通知子节点更新材质 // 通知子节点更新材质
this._examplesParentNode.children.forEach(childNode => { this._examplesParentNode.children.forEach(childNode => {
childNode.emit("on_property_change", <PointLightUniform>{ childNode.emit("on_property_change", <PointLightUBO>{
centerColor: cc.color( centerColor: cc.color(
Math.round(255 * this._redSlider.progress), Math.round(255 * this._redSlider.progress),
Math.round(255 * this._greenSlider.progress), Math.round(255 * this._greenSlider.progress),