feat(anim): 实现2D模型动画系统核心类
- 添加AnimationClip类用于管理动画剪辑和关键帧 - 添加AnimationLayer类支持动画层和混合模式 - 实现动画曲线采样和插值算法 - 支持事件标记和动画状态控制 - 添加参数覆盖和权重混合功能 - 实现动画轨道和关键帧管理- 添加多种插值类型支持(线性、步进、平滑、缓入缓出) - 实现动画事件系统和监听器模式 - 支持动画剪辑的深拷贝和合并功能 - 添加AnimationParameter类用于动画参数管理
This commit is contained in:
tzdwindows 7
287
src/main/java/com/chuangzhou/vivid2D/test/ModelRenderTest.java
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287
src/main/java/com/chuangzhou/vivid2D/test/ModelRenderTest.java
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package com.chuangzhou.vivid2D.test;
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import com.chuangzhou.vivid2D.render.ModelRender;
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import com.chuangzhou.vivid2D.render.model.Model2D;
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import com.chuangzhou.vivid2D.render.model.ModelPart;
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import com.chuangzhou.vivid2D.render.model.util.Mesh2D;
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import com.chuangzhou.vivid2D.render.model.util.Texture;
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import org.lwjgl.glfw.GLFW;
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import org.lwjgl.glfw.GLFWErrorCallback;
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import org.lwjgl.glfw.GLFWVidMode;
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import org.lwjgl.opengl.GL;
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import org.lwjgl.system.MemoryUtil;
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import java.nio.ByteBuffer;
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import java.util.Random;
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/**
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* 重写后的 ModelRender 测试示例：构造一个简单的人形（头、身体、左右手、左右腿）
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* 便于验证层级变换与渲染是否正确。
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*
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* 注意：依赖你工程里已有的 Model2D / ModelPart / Mesh2D / Texture API。
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*
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* @author tzdwindows 7（改）
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*/
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public class ModelRenderTest {
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private static final int WINDOW_WIDTH = 800;
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private static final int WINDOW_HEIGHT = 600;
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private static final String WINDOW_TITLE = "Vivid2D ModelRender Test - Humanoid";
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private long window;
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private boolean running = true;
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private Model2D testModel;
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private Random random = new Random();
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private float animationTime = 0f;
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private boolean animate = true;
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public static void main(String[] args) {
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new ModelRenderTest().run();
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}
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public void run() {
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try {
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init();
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loop();
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} catch (Throwable t) {
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t.printStackTrace();
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} finally {
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cleanup();
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}
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}
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private void init() {
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GLFWErrorCallback.createPrint(System.err).set();
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if (!GLFW.glfwInit()) {
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throw new IllegalStateException("Unable to initialize GLFW");
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}
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GLFW.glfwDefaultWindowHints();
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GLFW.glfwWindowHint(GLFW.GLFW_VISIBLE, GLFW.GLFW_FALSE);
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GLFW.glfwWindowHint(GLFW.GLFW_RESIZABLE, GLFW.GLFW_TRUE);
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GLFW.glfwWindowHint(GLFW.GLFW_CONTEXT_VERSION_MAJOR, 3);
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GLFW.glfwWindowHint(GLFW.GLFW_CONTEXT_VERSION_MINOR, 3);
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GLFW.glfwWindowHint(GLFW.GLFW_OPENGL_PROFILE, GLFW.GLFW_OPENGL_CORE_PROFILE);
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GLFW.glfwWindowHint(GLFW.GLFW_OPENGL_FORWARD_COMPAT, GLFW.GLFW_TRUE);
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window = GLFW.glfwCreateWindow(WINDOW_WIDTH, WINDOW_HEIGHT, WINDOW_TITLE, MemoryUtil.NULL, MemoryUtil.NULL);
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if (window == MemoryUtil.NULL) throw new RuntimeException("Failed to create GLFW window");
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GLFWVidMode vidMode = GLFW.glfwGetVideoMode(GLFW.glfwGetPrimaryMonitor());
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GLFW.glfwSetWindowPos(window,
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(vidMode.width() - WINDOW_WIDTH) / 2,
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(vidMode.height() - WINDOW_HEIGHT) / 2);
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GLFW.glfwSetKeyCallback(window, (wnd, key, scancode, action, mods) -> {
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if (key == GLFW.GLFW_KEY_ESCAPE && action == GLFW.GLFW_RELEASE) running = false;
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if (key == GLFW.GLFW_KEY_SPACE && action == GLFW.GLFW_RELEASE) {
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animate = !animate;
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System.out.println("Animation " + (animate ? "enabled" : "disabled"));
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}
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if (key == GLFW.GLFW_KEY_R && action == GLFW.GLFW_RELEASE) randomizeModel();
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});
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GLFW.glfwSetWindowSizeCallback(window, (wnd, w, h) -> ModelRender.setViewport(w, h));
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GLFW.glfwMakeContextCurrent(window);
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GLFW.glfwSwapInterval(1);
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GLFW.glfwShowWindow(window);
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GL.createCapabilities();
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createTestModel();
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ModelRender.initialize();
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System.out.println("Test initialized successfully");
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System.out.println("Controls: ESC exit | SPACE toggle anim | R randomize");
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}
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/**
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* 构造一个简单的人形：body 为根，head、arms、legs 为 body 的子节点。
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* 使用 createPart 保证与 Model2D 管理一致。
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*/
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private void createTestModel() {
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testModel = new Model2D("Humanoid");
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// body 放在屏幕中心
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ModelPart body = testModel.createPart("body");
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body.setPosition(400, 320);
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// 身体网格：宽 80 高 120
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Mesh2D bodyMesh = Mesh2D.createQuad("body_mesh", 80, 120);
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bodyMesh.setTexture(createSolidTexture(64, 128, 0xFF4A6AFF)); // 蓝衣
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body.addMesh(bodyMesh);
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// head：相对于 body 在上方偏移
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ModelPart head = testModel.createPart("head");
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head.setPosition(0, -90); // 注意：如果 body 的坐标是屏幕位置，子部件的 position 是相对父节点（取决于你的实现）；这里按常见习惯设负 y 向上
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Mesh2D headMesh = Mesh2D.createQuad("head_mesh", 60, 60);
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headMesh.setTexture(createHeadTexture());
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head.addMesh(headMesh);
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// left arm
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ModelPart leftArm = testModel.createPart("left_arm");
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leftArm.setPosition(-60, -20); // 在 body 左侧稍上位置
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Mesh2D leftArmMesh = Mesh2D.createQuad("left_arm_mesh", 18, 90);
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leftArmMesh.setTexture(createSolidTexture(16, 90, 0xFF6495ED)); // 手臂颜色
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leftArm.addMesh(leftArmMesh);
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// right arm
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ModelPart rightArm = testModel.createPart("right_arm");
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rightArm.setPosition(60, -20);
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Mesh2D rightArmMesh = Mesh2D.createQuad("right_arm_mesh", 18, 90);
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rightArmMesh.setTexture(createSolidTexture(16, 90, 0xFF6495ED));
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rightArm.addMesh(rightArmMesh);
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// left leg
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ModelPart leftLeg = testModel.createPart("left_leg");
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leftLeg.setPosition(-20, 90); // body 下方
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Mesh2D leftLegMesh = Mesh2D.createQuad("left_leg_mesh", 20, 100);
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leftLegMesh.setTexture(createSolidTexture(20, 100, 0xFF4169E1));
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leftLeg.addMesh(leftLegMesh);
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// right leg
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ModelPart rightLeg = testModel.createPart("right_leg");
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rightLeg.setPosition(20, 90);
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Mesh2D rightLegMesh = Mesh2D.createQuad("right_leg_mesh", 20, 100);
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rightLegMesh.setTexture(createSolidTexture(20, 100, 0xFF4169E1));
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rightLeg.addMesh(rightLegMesh);
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// 建立层级：body 为根，其他作为 body 的子节点
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//testModel.addPart(body);
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body.addChild(head);
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body.addChild(leftArm);
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body.addChild(rightArm);
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body.addChild(leftLeg);
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body.addChild(rightLeg);
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// 创建动画参数用于简单摆动
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testModel.createParameter("arm_swing", -1.0f, 1.0f, 0f);
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testModel.createParameter("leg_swing", -1.0f, 1.0f, 0f);
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testModel.createParameter("head_rotation", -0.5f, 0.5f, 0f);
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System.out.println("Humanoid model created with parts: " + testModel.getParts().size());
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}
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// 辅助：创建身体渐变/纯色纹理（ByteBuffer RGBA）
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private Texture createSolidTexture(int w, int h, int rgba) {
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ByteBuffer buf = MemoryUtil.memAlloc(w * h * 4);
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byte a = (byte) ((rgba >> 24) & 0xFF);
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byte r = (byte) ((rgba >> 16) & 0xFF);
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byte g = (byte) ((rgba >> 8) & 0xFF);
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byte b = (byte) (rgba & 0xFF);
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for (int i = 0; i < w * h; i++) {
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buf.put(r).put(g).put(b).put(a);
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}
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buf.flip();
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Texture t = new Texture("solid_" + rgba + "_" + w + "x" + h, w, h, Texture.TextureFormat.RGBA, buf);
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MemoryUtil.memFree(buf);
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return t;
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}
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private Texture createHeadTexture() {
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int width = 64, height = 64;
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int[] pixels = new int[width * height];
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for (int y = 0; y < height; y++) {
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for (int x = 0; x < width; x++) {
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float dx = (x - width / 2f) / (width / 2f);
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float dy = (y - height / 2f) / (height / 2f);
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float dist = (float) Math.sqrt(dx * dx + dy * dy);
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int alpha = dist > 1.0f ? 0 : 255;
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int r = (int) (240 * (1.0f - dist * 0.25f));
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int g = (int) (200 * (1.0f - dist * 0.25f));
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int b = (int) (180 * (1.0f - dist * 0.25f));
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pixels[y * width + x] = (alpha << 24) | (r << 16) | (g << 8) | b;
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}
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}
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return new Texture("head_tex", width, height, Texture.TextureFormat.RGBA, pixels);
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}
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private void loop() {
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long last = System.nanoTime();
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double nsPerUpdate = 1_000_000_000.0 / 60.0;
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double accumulator = 0.0;
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System.out.println("Entering main loop...");
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while (running && !GLFW.glfwWindowShouldClose(window)) {
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long now = System.nanoTime();
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accumulator += (now - last) / nsPerUpdate;
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last = now;
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while (accumulator >= 1.0) {
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update(1.0f / 60.0f);
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accumulator -= 1.0;
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}
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render();
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GLFW.glfwSwapBuffers(window);
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GLFW.glfwPollEvents();
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}
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}
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private void update(float dt) {
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if (!animate) return;
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animationTime += dt;
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float armSwing = (float) Math.sin(animationTime * 3.0f) * 0.7f; // -0.7 .. 0.7
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float legSwing = (float) Math.sin(animationTime * 3.0f + Math.PI) * 0.6f;
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float headRot = (float) Math.sin(animationTime * 1.4f) * 0.15f;
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testModel.setParameterValue("arm_swing", armSwing);
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testModel.setParameterValue("leg_swing", legSwing);
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testModel.setParameterValue("head_rotation", headRot);
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// 将参数应用到部件（直接通过 API 设置即可）
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ModelPart leftArm = testModel.getPart("left_arm");
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ModelPart rightArm = testModel.getPart("right_arm");
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ModelPart leftLeg = testModel.getPart("left_leg");
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ModelPart rightLeg = testModel.getPart("right_leg");
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ModelPart head = testModel.getPart("head");
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if (leftArm != null) leftArm.setRotation(-0.8f * armSwing - 0.2f);
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if (rightArm != null) rightArm.setRotation(0.8f * armSwing + 0.2f);
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if (leftLeg != null) leftLeg.setRotation(0.6f * legSwing);
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if (rightLeg != null) rightLeg.setRotation(-0.6f * legSwing);
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if (head != null) head.setRotation(headRot);
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testModel.update(dt);
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}
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private void render() {
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ModelRender.setClearColor(0.18f, 0.18f, 0.25f, 1.0f);
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ModelRender.render(1.0f / 60.0f, testModel);
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// 每 5 秒输出一次统计
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if ((int) (animationTime) % 5 == 0 && (animationTime - (int) animationTime) < 0.016) {
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//System.out.println("Render stats: meshes=" + ModelRender.getRenderStats());
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}
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}
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private void randomizeModel() {
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System.out.println("Randomizing model...");
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ModelPart body = testModel.getPart("body");
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if (body != null) {
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body.setPosition(200 + random.nextInt(400), 200 + random.nextInt(200));
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}
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for (ModelPart p : testModel.getParts()) {
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p.setRotation((float) (random.nextFloat() * Math.PI * 2));
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if (p.getName().equals("head")) {
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p.setOpacity(0.6f + random.nextFloat() * 0.4f);
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}
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}
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}
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private void cleanup() {
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System.out.println("Cleaning up resources...");
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ModelRender.cleanup();
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Texture.cleanupAll();
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if (window != MemoryUtil.NULL) GLFW.glfwDestroyWindow(window);
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GLFW.glfwTerminate();
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GLFW.glfwSetErrorCallback(null).free();
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System.out.println("Test completed");
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}
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}
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