From cdda4c4182c9ee068567529715e4a5c68a8efb58 Mon Sep 17 00:00:00 2001 From: bonmas14 Date: Sat, 20 Sep 2025 22:28:15 +0300 Subject: Init commit v1.0 --- deps/raylib/examples/models/models_gpu_skinning.c | 119 ++++++++++++++++++++++ 1 file changed, 119 insertions(+) create mode 100644 deps/raylib/examples/models/models_gpu_skinning.c (limited to 'deps/raylib/examples/models/models_gpu_skinning.c') diff --git a/deps/raylib/examples/models/models_gpu_skinning.c b/deps/raylib/examples/models/models_gpu_skinning.c new file mode 100644 index 0000000..f36ec41 --- /dev/null +++ b/deps/raylib/examples/models/models_gpu_skinning.c @@ -0,0 +1,119 @@ +/******************************************************************************************* +* +* raylib [core] example - Doing skinning on the gpu using a vertex shader +* +* Example originally created with raylib 4.5, last time updated with raylib 4.5 +* +* Example contributed by Daniel Holden (@orangeduck) and reviewed by Ramon Santamaria (@raysan5) +* +* Example licensed under an unmodified zlib/libpng license, which is an OSI-certified, +* BSD-like license that allows static linking with closed source software +* +* Copyright (c) 2024 Daniel Holden (@orangeduck) +* +* Note: Due to limitations in the Apple OpenGL driver, this feature does not work on MacOS +* +********************************************************************************************/ + +#include "raylib.h" + +#include "raymath.h" + +#if defined(PLATFORM_DESKTOP) + #define GLSL_VERSION 330 +#else // PLATFORM_ANDROID, PLATFORM_WEB + #define GLSL_VERSION 100 +#endif + +//------------------------------------------------------------------------------------ +// Program main entry point +//------------------------------------------------------------------------------------ +int main(void) +{ + // Initialization + //-------------------------------------------------------------------------------------- + const int screenWidth = 800; + const int screenHeight = 450; + + InitWindow(screenWidth, screenHeight, "raylib [models] example - GPU skinning"); + + // Define the camera to look into our 3d world + Camera camera = { 0 }; + camera.position = (Vector3){ 5.0f, 5.0f, 5.0f }; // Camera position + camera.target = (Vector3){ 0.0f, 2.0f, 0.0f }; // Camera looking at point + camera.up = (Vector3){ 0.0f, 1.0f, 0.0f }; // Camera up vector (rotation towards target) + camera.fovy = 45.0f; // Camera field-of-view Y + camera.projection = CAMERA_PERSPECTIVE; // Camera projection type + + // Load gltf model + Model characterModel = LoadModel("resources/models/gltf/greenman.glb"); // Load character model + + // Load skinning shader + Shader skinningShader = LoadShader(TextFormat("resources/shaders/glsl%i/skinning.vs", GLSL_VERSION), + TextFormat("resources/shaders/glsl%i/skinning.fs", GLSL_VERSION)); + + characterModel.materials[1].shader = skinningShader; + + // Load gltf model animations + int animsCount = 0; + unsigned int animIndex = 0; + unsigned int animCurrentFrame = 0; + ModelAnimation *modelAnimations = LoadModelAnimations("resources/models/gltf/greenman.glb", &animsCount); + + Vector3 position = { 0.0f, 0.0f, 0.0f }; // Set model position + + DisableCursor(); // Limit cursor to relative movement inside the window + + SetTargetFPS(60); // Set our game to run at 60 frames-per-second + //-------------------------------------------------------------------------------------- + + // Main game loop + while (!WindowShouldClose()) // Detect window close button or ESC key + { + // Update + //---------------------------------------------------------------------------------- + UpdateCamera(&camera, CAMERA_THIRD_PERSON); + + // Select current animation + if (IsKeyPressed(KEY_T)) animIndex = (animIndex + 1)%animsCount; + else if (IsKeyPressed(KEY_G)) animIndex = (animIndex + animsCount - 1)%animsCount; + + // Update model animation + ModelAnimation anim = modelAnimations[animIndex]; + animCurrentFrame = (animCurrentFrame + 1)%anim.frameCount; + characterModel.transform = MatrixTranslate(position.x, position.y, position.z); + UpdateModelAnimationBones(characterModel, anim, animCurrentFrame); + //---------------------------------------------------------------------------------- + + // Draw + //---------------------------------------------------------------------------------- + BeginDrawing(); + + ClearBackground(RAYWHITE); + + BeginMode3D(camera); + + // Draw character mesh, pose calculation is done in shader (GPU skinning) + DrawMesh(characterModel.meshes[0], characterModel.materials[1], characterModel.transform); + + DrawGrid(10, 1.0f); + + EndMode3D(); + + DrawText("Use the T/G to switch animation", 10, 10, 20, GRAY); + + EndDrawing(); + //---------------------------------------------------------------------------------- + } + + // De-Initialization + //-------------------------------------------------------------------------------------- + UnloadModelAnimations(modelAnimations, animsCount); // Unload model animation + UnloadModel(characterModel); // Unload model and meshes/material + UnloadShader(skinningShader); // Unload GPU skinning shader + + CloseWindow(); // Close window and OpenGL context + //-------------------------------------------------------------------------------------- + + return 0; +} \ No newline at end of file -- cgit v1.2.3-70-g09d2