mirror of
https://github.com/EsotericSoftware/spine-runtimes.git
synced 2026-02-04 06:14:53 +08:00
[ts][webgl] Allow to define a custom Shader for SceneRenderer.
This commit is contained in:
Davide Tantillo
parent
c07d8a3bf4
commit
3136e1d33f
137
spine-ts/spine-player/example/custom-shader.html
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137
spine-ts/spine-player/example/custom-shader.html
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<!doctype html>
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<html>
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<head>
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<meta charset="utf-8">
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<script src="../dist/iife/spine-player.js"></script>
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<link rel="stylesheet" href="../css/spine-player.css">
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<meta name="viewport" content="width=device-width, initial-scale=1.0">
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<link rel="stylesheet" href="../../index.css" />
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</head>
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<body class="flex flex-col justify-center items-center">
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<div id="container-raptor" style="max-width:640px; aspect-ratio: 16/9"></div>
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<div style="color: white;">
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Red: <input id="red-input" type="range" min="0" max="100" value="100" style="appearance: revert;" /> <output id="red-value"></output>
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<br>
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Green: <input id="green-input" type="range" min="0" max="100" value="100" style="appearance: revert;" /> <output id="green-value"></output>
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<br>
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Blue: <input id="blue-input" type="range" min="0" max="100" value="100" style="appearance: revert;" /> <output id="blue-value"></output>
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</div>
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</body>
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<script>
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const inputToValue = input => parseFloat(input) / 100
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const redInput = document.querySelector("#red-input");
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const redValue = document.querySelector("#red-value");
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redValue.textContent = redInput.value;
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const greenInput = document.querySelector("#green-input");
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const greenValue = document.querySelector("#green-value");
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greenValue.textContent = greenInput.value;
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const blueInput = document.querySelector("#blue-input");
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const blueValue = document.querySelector("#blue-value");
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blueValue.textContent = blueInput.value;
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redInput.addEventListener("input", (event) => {
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redValue.textContent = event.target.value;
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});
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greenInput.addEventListener("input", (event) => {
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greenValue.textContent = event.target.value;
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});
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blueInput.addEventListener("input", (event) => {
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blueValue.textContent = event.target.value;
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});
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redInput.addEventListener("input", (event) => {
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redValue.textContent = event.target.value;
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});
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greenInput.addEventListener("input", (event) => {
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greenValue.textContent = event.target.value;
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});
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blueInput.addEventListener("input", (event) => {
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blueValue.textContent = event.target.value;
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});
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let vertexShader = `
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attribute vec4 ${spine.Shader.POSITION};
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attribute vec4 ${spine.Shader.COLOR};
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attribute vec4 ${spine.Shader.COLOR2};
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attribute vec2 ${spine.Shader.TEXCOORDS};
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uniform mat4 ${spine.Shader.MVP_MATRIX};
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varying vec4 v_light;
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varying vec4 v_dark;
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varying vec2 v_texCoords;
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void main () {
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v_light = ${spine.Shader.COLOR};
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v_dark = ${spine.Shader.COLOR2};
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v_texCoords = ${spine.Shader.TEXCOORDS};
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gl_Position = ${spine.Shader.MVP_MATRIX} * ${spine.Shader.POSITION};
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}
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`;
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let fragmentShader = `
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#ifdef GL_ES
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#define LOWP lowp
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precision mediump float;
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#else
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#define LOWP
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#endif
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varying LOWP vec4 v_light;
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varying LOWP vec4 v_dark;
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varying vec2 v_texCoords;
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uniform sampler2D u_texture;
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uniform float red_multiplier;
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uniform float green_multiplier;
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uniform float blue_multiplier;
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void main () {
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vec4 texColor = texture2D(u_texture, v_texCoords);
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gl_FragColor.a = texColor.a * v_light.a;
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vec3 multipliers = vec3(clamp(red_multiplier, 0.0, 1.0), clamp(green_multiplier, 0.0, 1.0), clamp(blue_multiplier, 0.0, 1.0));
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gl_FragColor.rgb = ((texColor.a - 1.0) * v_dark.a + 1.0 - texColor.rgb) * v_dark.rgb + texColor.rgb * v_light.rgb * multipliers;
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}
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`;
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// Creates a new spine player with a transparent background,
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// so content from the website shines through. Hides the controls.
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// Instead, the user can control the animation via buttons.
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var jsControlledPlayer = new spine.SpinePlayer("container-raptor", {
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skeleton: "assets/raptor-pro.json",
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atlas: "assets/raptor-pma.atlas",
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animation: "walk",
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showControls: false,
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premultipliedAlpha: true,
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backgroundColor: "#00000000",
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alpha: true,
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defaultMix: 1,
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controlBones: ["root"],
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success: (player) => {
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const inputToValue = input => parseFloat(input) / 100;
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player.sceneRenderer.setCustomBatcherShader(new spine.CustomShader(
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player.sceneRenderer.context,
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vertexShader,
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fragmentShader,
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(shader) => {
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shader.setUniformf("red_multiplier", inputToValue(redInput.value));
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shader.setUniformf("green_multiplier", inputToValue(greenInput.value));
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shader.setUniformf("blue_multiplier", inputToValue(blueInput.value));
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},
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));
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const head = player.skeleton.findSlot("head");
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console.log(head.color)
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setTimeout(() => {
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head.color.set(1, 0, 0, 1)
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player.skeleton.setToSetupPose()
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})
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}
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});
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</script>
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</body>
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</html>
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186
spine-ts/spine-webgl/example/custom-shader.html
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spine-ts/spine-webgl/example/custom-shader.html
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@ -0,0 +1,186 @@
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<!DOCTYPE html>
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<html>
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<head>
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<meta charset="UTF-8">
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<meta name="viewport" content="width=device-width, initial-scale=1.0">
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</head>
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<script src="../dist/iife/spine-webgl.js"></script>
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<style>
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* {
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margin: 0;
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padding: 0;
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}
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</style>
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<body>
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<canvas id="canvas" style="position: absolute; width: 100%; height: 100%;"></canvas>
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<div style="position: absolute; color: white;">
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Red: <input id="red-input" type="range" min="0" max="100" value="100" /> <output id="red-value"></output>
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<br>
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Green: <input id="green-input" type="range" min="0" max="100" value="100" /> <output id="green-value"></output>
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<br>
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Blue: <input id="blue-input" type="range" min="0" max="100" value="100" /> <output id="blue-value"></output>
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</div>
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<script>
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class App {
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constructor() {
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this.skeleton = null;
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this.animationState = null;
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this.shaderValues = { r: 0, g: 0, b: 0, growing: true, color: "r" };
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}
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loadAssets(canvas) {
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// Load the skeleton file.
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canvas.assetManager.loadBinary("assets/raptor-pro.skel");
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// Load the atlas and its pages.
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canvas.assetManager.loadTextureAtlas("assets/raptor-pma.atlas");
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}
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initialize(canvas) {
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let assetManager = canvas.assetManager;
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// Create the texture atlas.
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var atlas = assetManager.require("assets/raptor-pma.atlas");
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// Create a AtlasAttachmentLoader that resolves region, mesh, boundingbox and path attachments
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var atlasLoader = new spine.AtlasAttachmentLoader(atlas);
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// Create a SkeletonBinary instance for parsing the .skel file.
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var skeletonBinary = new spine.SkeletonBinary(atlasLoader);
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// Set the scale to apply during parsing, parse the file, and create a new skeleton.
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skeletonBinary.scale = 0.6;
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var skeletonData = skeletonBinary.readSkeletonData(assetManager.require("assets/raptor-pro.skel"));
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this.skeleton = new spine.Skeleton(skeletonData);
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// Create an AnimationState, and set the "cape-follow-example" animation in looping mode.
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var animationStateData = new spine.AnimationStateData(skeletonData);
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this.animationState = new spine.AnimationState(animationStateData);
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this.animationState.setAnimation(0, "walk", true);
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// Center the camera on the skeleton
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const offset = new spine.Vector2();
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const size = new spine.Vector2();
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this.skeleton.setToSetupPose();
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this.skeleton.update(0);
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this.skeleton.updateWorldTransform(spine.Physics.update);
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this.skeleton.getBounds(offset, size);
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canvas.renderer.camera.position.x = offset.x + size.x / 2;
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canvas.renderer.camera.position.y = offset.y + size.y / 2;
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}
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update(canvas, delta) {
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// Update the animation state using the delta time.
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this.animationState.update(delta);
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// Apply the animation state to the skeleton.
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this.animationState.apply(this.skeleton);
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// Let the skeleton update the transforms of its bones and apply physics
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this.skeleton.update(delta);
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this.skeleton.updateWorldTransform(spine.Physics.update);
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}
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render(canvas) {
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let renderer = canvas.renderer;
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// Resize the viewport to the full canvas.
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renderer.resize(spine.ResizeMode.Expand);
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// Clear the canvas with a light gray color.
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canvas.clear(0.2, 0.2, 0.2, 1);
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// Begin rendering.
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renderer.begin();
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// updateShader(canvas.shader, this.shaderValues);
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// Draw the skeleton
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renderer.drawSkeleton(this.skeleton, true);
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// Complete rendering.
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renderer.end();
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}
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}
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// Vertex and Fragment shader has been copied from src/Shader.ts#newTwoColoredTextured
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// Fragment shader has been slightly changed to add uniform red_multiplier, green_multiplier, blue_multiplier uniforms
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// that are used to multiply the rgb colors
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let vertexShader = `
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attribute vec4 ${spine.Shader.POSITION};
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attribute vec4 ${spine.Shader.COLOR};
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attribute vec4 ${spine.Shader.COLOR2};
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attribute vec2 ${spine.Shader.TEXCOORDS};
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uniform mat4 ${spine.Shader.MVP_MATRIX};
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varying vec4 v_light;
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varying vec4 v_dark;
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varying vec2 v_texCoords;
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void main () {
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v_light = ${spine.Shader.COLOR};
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v_dark = ${spine.Shader.COLOR2};
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v_texCoords = ${spine.Shader.TEXCOORDS};
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gl_Position = ${spine.Shader.MVP_MATRIX} * ${spine.Shader.POSITION};
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}
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`;
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let fragmentShader = `
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#ifdef GL_ES
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#define LOWP lowp
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precision mediump float;
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#else
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#define LOWP
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#endif
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varying LOWP vec4 v_light;
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varying LOWP vec4 v_dark;
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varying vec2 v_texCoords;
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uniform sampler2D u_texture;
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uniform float red_multiplier;
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uniform float green_multiplier;
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uniform float blue_multiplier;
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void main () {
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vec4 texColor = texture2D(u_texture, v_texCoords);
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gl_FragColor.a = texColor.a * v_light.a;
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vec3 multipliers = vec3(clamp(red_multiplier, 0.0, 1.0), clamp(green_multiplier, 0.0, 1.0), clamp(blue_multiplier, 0.0, 1.0));
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gl_FragColor.rgb = ((texColor.a - 1.0) * v_dark.a + 1.0 - texColor.rgb) * v_dark.rgb + texColor.rgb * v_light.rgb * multipliers;
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}
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`;
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const inputToValue = input => parseFloat(input) / 100;
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const redInput = document.querySelector("#red-input");
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const redValue = document.querySelector("#red-value");
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redValue.textContent = redInput.value;
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const greenInput = document.querySelector("#green-input");
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const greenValue = document.querySelector("#green-value");
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greenValue.textContent = greenInput.value;
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const blueInput = document.querySelector("#blue-input");
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const blueValue = document.querySelector("#blue-value");
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blueValue.textContent = blueInput.value;
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redInput.addEventListener("input", (event) => {
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redValue.textContent = event.target.value;
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});
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greenInput.addEventListener("input", (event) => {
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greenValue.textContent = event.target.value;
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});
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blueInput.addEventListener("input", (event) => {
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blueValue.textContent = event.target.value;
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});
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const shader = {
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vertexShader,
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fragmentShader,
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setUniformCallback: (shader) => {
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shader.setUniformf("red_multiplier", inputToValue(redInput.value));
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shader.setUniformf("green_multiplier", inputToValue(greenInput.value));
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shader.setUniformf("blue_multiplier", inputToValue(blueInput.value));
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}
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}
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const app = new spine.SpineCanvas(document.getElementById("canvas"), {
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app: new App(),
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shader,
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})
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</script>
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</body>
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</html>
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@ -31,7 +31,7 @@ import { Color, Disposable, Skeleton, MathUtils, TextureAtlasRegion } from "@eso
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import { OrthoCamera } from "./Camera.js";
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import { GLTexture } from "./GLTexture.js";
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import { PolygonBatcher } from "./PolygonBatcher.js";
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import { Shader } from "./Shader.js";
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import { CustomShader, Shader } from "./Shader.js";
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import { ShapeRenderer } from "./ShapeRenderer.js";
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import { SkeletonDebugRenderer } from "./SkeletonDebugRenderer.js";
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import { SkeletonRenderer, VertexTransformer } from "./SkeletonRenderer.js";
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@ -60,12 +60,15 @@ export class SceneRenderer implements Disposable {
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skeletonRenderer: SkeletonRenderer;
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skeletonDebugRenderer: SkeletonDebugRenderer;
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constructor (canvas: HTMLCanvasElement, context: ManagedWebGLRenderingContext | WebGLRenderingContext, twoColorTint: boolean = true) {
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constructor (canvas: HTMLCanvasElement, context: ManagedWebGLRenderingContext | WebGLRenderingContext, twoColorTint: boolean = true, customShader?: Shader) {
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this.canvas = canvas;
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this.context = context instanceof ManagedWebGLRenderingContext ? context : new ManagedWebGLRenderingContext(context);
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this.twoColorTint = twoColorTint;
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this.camera = new OrthoCamera(canvas.width, canvas.height);
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this.batcherShader = twoColorTint ? Shader.newTwoColoredTextured(this.context) : Shader.newColoredTextured(this.context);
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if (customShader)
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this.batcherShader = customShader;
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else
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this.batcherShader = twoColorTint ? Shader.newTwoColoredTextured(this.context) : Shader.newColoredTextured(this.context);
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this.batcher = new PolygonBatcher(this.context, twoColorTint);
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this.shapesShader = Shader.newColored(this.context);
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this.shapes = new ShapeRenderer(this.context);
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@ -489,6 +492,10 @@ export class SceneRenderer implements Disposable {
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this.camera.update();
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}
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setCustomBatcherShader(shader: CustomShader) {
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this.batcherShader = shader;
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}
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private enableRenderer (renderer: PolygonBatcher | ShapeRenderer | SkeletonDebugRenderer) {
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if (this.activeRenderer === renderer) return;
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this.end();
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@ -496,6 +503,8 @@ export class SceneRenderer implements Disposable {
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this.batcherShader.bind();
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this.batcherShader.setUniform4x4f(Shader.MVP_MATRIX, this.camera.projectionView.values);
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this.batcherShader.setUniformi("u_texture", 0);
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if (this.batcherShader instanceof CustomShader && this.batcherShader.setUniformsCallback !== undefined)
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this.batcherShader.setUniformsCallback(this.batcherShader);
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this.batcher.begin(this.batcherShader);
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this.activeRenderer = this.batcher;
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} else if (renderer instanceof ShapeRenderer) {
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@ -298,3 +298,14 @@ void main () {
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return new Shader(context, vs, fs);
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}
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}
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export class CustomShader extends Shader {
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constructor (
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context: ManagedWebGLRenderingContext | WebGLRenderingContext,
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vertexShader: string,
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fragmentShader: string,
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public setUniformsCallback?: (shader: Shader) => void,
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) {
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super(context, vertexShader, fragmentShader);
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}
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}
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@ -27,7 +27,7 @@
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* SPINE RUNTIMES, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*****************************************************************************/
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import { TimeKeeper, AssetManager, ManagedWebGLRenderingContext, SceneRenderer, Input, StringMap } from "./index.js";
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import { TimeKeeper, AssetManager, ManagedWebGLRenderingContext, SceneRenderer, Input, StringMap, CustomShader, Shader } from "./index.js";
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/** An app running inside a {@link SpineCanvas}. The app life-cycle
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* is as follows:
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@ -56,6 +56,12 @@ export interface SpineCanvasConfig {
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pathPrefix?: string;
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/* The WebGL context configuration */
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webglConfig?: any;
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/** Your custom Shader configuration. See {@link CustomShader} */
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shader?: {
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vertexShader: string,
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fragmentShader: string,
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setUniformCallback: (shader: Shader) => void,
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};
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}
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/** Manages the life-cycle and WebGL context of a {@link SpineCanvasApp}. The app loads
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@ -75,6 +81,8 @@ export class SpineCanvas {
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readonly assetManager: AssetManager;
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/** The input processor used to listen to mouse, touch, and keyboard events. */
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readonly input: Input;
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/** The custom shader, if {@link SpineCanvasConfig.shader} config is passed. */
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readonly shader?: Shader;
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private disposed = false;
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@ -93,7 +101,8 @@ export class SpineCanvas {
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this.htmlCanvas = canvas;
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this.context = new ManagedWebGLRenderingContext(canvas, config.webglConfig);
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this.renderer = new SceneRenderer(canvas, this.context);
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this.shader = config.shader ? new CustomShader(this.context, config.shader.vertexShader, config.shader.fragmentShader, config.shader.setUniformCallback) : undefined;
|
||||
this.renderer = new SceneRenderer(canvas, this.context, true, this.shader);
|
||||
this.gl = this.context.gl;
|
||||
this.assetManager = new AssetManager(this.context, config.pathPrefix);
|
||||
this.input = new Input(canvas);
|
||||
|
||||
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Reference in New Issue
Block a user