From 731ab15d5768340bcfb028878fb3d92ae49ec1ab Mon Sep 17 00:00:00 2001 From: hristo Date: Thu, 28 Jan 2021 12:29:06 +0200 Subject: Gltf animation support (#1551) * Added example for gltf animation and split some functions for loading model animations into IQM and GLTF similar to how models are being loaded. * Removed wrongly duplicated function * Bone loading for gltf model (not working at this point) * Loading info about vertex to joint connection but animation is still not working * Skeleton and pose is correctly loaded. Need to communicate about interpolation in GLTF * The model almost looks like a real person on animation. * Fixed model loading with bones. Also updated license info on the model. * Cleaned up some code and updated examples. * Fix identation issues * Fix identation issues * Fix identation issues --- examples/models/models_gltf_animation.c | 115 +++++++++++++++++++++++ examples/models/models_gltf_model.c | 87 +++++++++++++++++ examples/models/resources/gltf/Avocado.glb | Bin 0 -> 8328156 bytes examples/models/resources/gltf/LICENSE | 11 +++ examples/models/resources/gltf/rigged_figure.glb | Bin 0 -> 50116 bytes 5 files changed, 213 insertions(+) create mode 100644 examples/models/models_gltf_animation.c create mode 100644 examples/models/models_gltf_model.c create mode 100644 examples/models/resources/gltf/Avocado.glb create mode 100644 examples/models/resources/gltf/LICENSE create mode 100644 examples/models/resources/gltf/rigged_figure.glb (limited to 'examples') diff --git a/examples/models/models_gltf_animation.c b/examples/models/models_gltf_animation.c new file mode 100644 index 00000000..e3120500 --- /dev/null +++ b/examples/models/models_gltf_animation.c @@ -0,0 +1,115 @@ +/******************************************************************************************* +* +* raylib [models] example - Load 3d gltf model with animations and play them +* +* This example has been created using raylib 3.5 (www.raylib.com) +* raylib is licensed under an unmodified zlib/libpng license (View raylib.h for details) +* +* Example contributed by Hristo Stamenov (@object71) and reviewed by Ramon Santamaria (@raysan5) +* +* Copyright (c) 2021 Hristo Stamenov (@object71) and Ramon Santamaria (@raysan5) +* +******************************************************************************************** +* +* To export a model from blender, make sure it is not posed, the vertices need to be in the +* same position as they would be in edit mode. +* and that the scale of your models is set to 0. Scaling can be done from the export menu. +* +********************************************************************************************/ + +#include "raylib.h" + +#include + + +int main(void) +{ + // Initialization + //-------------------------------------------------------------------------------------- + const int screenWidth = 800; + const int screenHeight = 450; + + InitWindow(screenWidth, screenHeight, "raylib [models] example - model animation"); + + // Define the camera to look into our 3d world + Camera camera = { 0 }; + camera.position = (Vector3){ 10.0f, 10.0f, 10.0f }; // Camera position + camera.target = (Vector3){ 0.0f, 0.0f, 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.type = CAMERA_PERSPECTIVE; // Camera mode type + + Model model = LoadModel("resources/gltf/rigged_figure.glb"); // Load the animated model mesh and + // basic data +// Texture2D texture = LoadTexture("resources/guy/guytex.png"); // Load model texture and set material +// SetMaterialTexture(&model.materials[0], MAP_DIFFUSE, texture); // Set model material map texture + + Vector3 position = { 0.0f, 0.0f, 0.0f }; // Set model position + + // Load animation data + int animsCount = 0; + ModelAnimation *anims = LoadModelAnimations("resources/gltf/rigged_figure.glb", &animsCount); + int animFrameCounter = 0; + + SetCameraMode(camera, CAMERA_FREE); // Set free camera mode + + 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); + + // Play animation when spacebar is held down + if (IsKeyDown(KEY_SPACE)) + { + animFrameCounter++; + UpdateModelAnimation(model, anims[0], animFrameCounter); + if (animFrameCounter >= anims[0].frameCount) animFrameCounter = 0; + } + //---------------------------------------------------------------------------------- + + // Draw + //---------------------------------------------------------------------------------- + BeginDrawing(); + + ClearBackground(RAYWHITE); + + BeginMode3D(camera); + + DrawModelEx(model, position, (Vector3){ 1.0f, 0.0f, 0.0f }, -90.0f, (Vector3){ 1.0f, 1.0f, 1.0f }, WHITE); + + for (int i = 0; i < model.boneCount; i++) + { + DrawSphere(anims[0].framePoses[animFrameCounter][i].translation, 0.01f, RED); + } + + DrawGrid(10, 1.0f); // Draw a grid + + EndMode3D(); + + DrawText("PRESS SPACE to PLAY MODEL ANIMATION", 10, 10, 20, MAROON); + DrawText("(cc4) Rigged Figure by @Cesium", screenWidth - 200, screenHeight - 20, 10, GRAY); + + EndDrawing(); + //---------------------------------------------------------------------------------- + } + + // De-Initialization + //-------------------------------------------------------------------------------------- +// UnloadTexture(texture); // Unload texture + + // Unload model animations data + for (int i = 0; i < animsCount; i++) UnloadModelAnimation(anims[i]); + RL_FREE(anims); + + UnloadModel(model); // Unload model + + CloseWindow(); // Close window and OpenGL context + //-------------------------------------------------------------------------------------- + + return 0; +} diff --git a/examples/models/models_gltf_model.c b/examples/models/models_gltf_model.c new file mode 100644 index 00000000..c064e34f --- /dev/null +++ b/examples/models/models_gltf_model.c @@ -0,0 +1,87 @@ +/******************************************************************************************* +* +* raylib [models] example - Load 3d gltf model +* +* This example has been created using raylib 3.5 (www.raylib.com) +* raylib is licensed under an unmodified zlib/libpng license (View raylib.h for details) +* +* Example contributed by Hristo Stamenov (@object71) and reviewed by Ramon Santamaria (@raysan5) +* +* Copyright (c) 2021 Hristo Stamenov (@object71) and Ramon Santamaria (@raysan5) +* +******************************************************************************************** +* +* To export a model from blender, make sure it is not posed, the vertices need to be in the +* same position as they would be in edit mode. +* and that the scale of your models is set to 0. Scaling can be done from the export menu. +* +********************************************************************************************/ + +#include "raylib.h" + +#include + + +int main(void) +{ + // Initialization + //-------------------------------------------------------------------------------------- + const int screenWidth = 800; + const int screenHeight = 450; + + InitWindow(screenWidth, screenHeight, "raylib [models] example - model animation"); + + // Define the camera to look into our 3d world + Camera camera = { 0 }; + camera.position = (Vector3){ 10.0f, 10.0f, 10.0f }; // Camera position + camera.target = (Vector3){ 0.0f, 0.0f, 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.type = CAMERA_PERSPECTIVE; // Camera mode type + + Model model = LoadModel("resources/gltf/Avocado.glb"); // Load the animated model mesh and + + Vector3 position = { 0.0f, 0.0f, 0.0f }; // Set model position + + SetCameraMode(camera, CAMERA_FREE); // Set free camera mode + + 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); + + // Draw + //---------------------------------------------------------------------------------- + BeginDrawing(); + + ClearBackground(RAYWHITE); + + BeginMode3D(camera); + + DrawModelEx(model, position, (Vector3){ 0.0f, 1.0f, 0.0f }, 180.0f, (Vector3){ 15.0f, 15.0f, 15.0f }, WHITE); + + DrawGrid(10, 1.0f); // Draw a grid + + EndMode3D(); + + DrawText("(cc0) Avocado by @Microsoft", screenWidth - 200, screenHeight - 20, 10, GRAY); + + EndDrawing(); + //---------------------------------------------------------------------------------- + } + + // De-Initialization + //-------------------------------------------------------------------------------------- + + UnloadModel(model); // Unload model + + CloseWindow(); // Close window and OpenGL context + //-------------------------------------------------------------------------------------- + + return 0; +} diff --git a/examples/models/resources/gltf/Avocado.glb b/examples/models/resources/gltf/Avocado.glb new file mode 100644 index 00000000..006b79c3 Binary files /dev/null and b/examples/models/resources/gltf/Avocado.glb differ diff --git a/examples/models/resources/gltf/LICENSE b/examples/models/resources/gltf/LICENSE new file mode 100644 index 00000000..77c73c62 --- /dev/null +++ b/examples/models/resources/gltf/LICENSE @@ -0,0 +1,11 @@ +Rigged Figure model has been created by Cesium (https://cesium.com/cesiumjs/), +and licensed as Creative Commons Attribution 4.0 International License. + +Check for details: http://creativecommons.org/licenses/by/4.0/ + +Avocado model is provided by Microsoft +and licensed as CC0 Universal Public Domain + +Check for details: https://creativecommons.org/publicdomain/zero/1.0/ + +GLTF sample models for testing are taken from: https://github.com/KhronosGroup/glTF-Sample-Models/ diff --git a/examples/models/resources/gltf/rigged_figure.glb b/examples/models/resources/gltf/rigged_figure.glb new file mode 100644 index 00000000..c505a33d Binary files /dev/null and b/examples/models/resources/gltf/rigged_figure.glb differ -- cgit v1.2.3