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[models] Add GLTF animation support (#2844)

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* add GLTF animation support

* use correct index when allocating animVertices and animNormals

* early exit LoadModelAnimationsGLTF if the gtlf file fails to parse

* update models/models_loading_gltf.c to play gltf animation

Updated the .blend file to use weights rather than bone parents so it
fits into the framework. Exported with weights to the .glb file.

* fix order of operations for bone scale in UpdateModelAnimation

* minor doc cleanup and improvements

* fix formatting

* fix float formatting

* fix brace alignment and replace asserts with log messages
This commit is contained in:
Charles 2023-01-02 14:23:48 -05:00 • committed by GitHub
parent fabedf7636
commit f2e3d6eca7
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4 changed files with 324 additions and 19 deletions
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23
examples/models/models_loading_gltf.c
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@ -35,6 +35,10 @@ int main(void)
// Loaf gltf model
Model model = LoadModel("resources/models/gltf/robot.glb");
unsigned int animsCount = 0;
ModelAnimation *modelAnimations = LoadModelAnimations("resources/models/gltf/robot.glb", &animsCount);
unsigned int animIndex = 0;
Vector3 position = { 0.0f, 0.0f, 0.0f }; // Set model position
@ -43,11 +47,26 @@ int main(void)
SetTargetFPS(60); // Set our game to run at 60 frames-per-second
//--------------------------------------------------------------------------------------
unsigned int currentFrame = 0;
// Main game loop
while (!WindowShouldClose()) // Detect window close button or ESC key
{
// Update
//----------------------------------------------------------------------------------
ModelAnimation anim = modelAnimations[animIndex];
if (IsKeyPressed(KEY_UP))
{
animIndex = (animIndex + 1) % animsCount;
}
if (IsKeyPressed(KEY_DOWN))
{
animIndex = (animIndex + animsCount - 1) % animsCount;
}
currentFrame = (currentFrame + 1) % anim.frameCount;
UpdateModelAnimation(model, anim, currentFrame);
UpdateCamera(&camera);
//----------------------------------------------------------------------------------
@ -64,6 +83,8 @@ int main(void)
EndMode3D();
DrawText("Use the up/down arrow keys to switch animation.", 10, 10, 20, WHITE);
EndDrawing();
//----------------------------------------------------------------------------------
}
@ -71,7 +92,7 @@ int main(void)
// De-Initialization
//--------------------------------------------------------------------------------------
UnloadModel(model); // Unload model and meshes/material
CloseWindow(); // Close window and OpenGL context
//--------------------------------------------------------------------------------------