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[rmodels] Updated documentation

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Signed-off-by: Kirandeep-Singh-Khehra <kirandeepsinghkhehra@gmail.com>
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Kirandeep-Singh-Khehra 2024-12-11 22:53:23 +05:30
parent 7f7815e3a2
commit fa5f5e38b5
2 changed files with 4 additions and 56 deletions
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2
examples/models/models_animation_blending.c
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@ -12,6 +12,8 @@
* Copyright (c) 2024 Kirandeep (@Kirandeep-Singh-Khehra)
*
* Note: Due to limitations in the Apple OpenGL driver, this feature does not work on MacOS
* Note: This example uses CPU for updating meshes.
* For GPU skinning see comments with 'INFO:'.
*
********************************************************************************************/

58
src/rmodels.c
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@ -2308,7 +2308,7 @@ void UpdateModelAnimationBones(Model model, ModelAnimation anim, int frame)
}
}
// Update model animated bones transform matrices by blendin between two different given frames of different ModelAnimation(could be same too)
// Update model animated bones transform matrices by interpolating between two different given frames of different ModelAnimation(could be same too)
// NOTE: Updated data is not uploaded to GPU but kept at model.meshes[i].boneMatrices[boneId],
// to be uploaded to shader at drawing, in case GPU skinning is enabled
void UpdateModelAnimationBonesLerp(Model model, ModelAnimation animA, int frameA, ModelAnimation animB, int frameB, float value)
@ -2434,61 +2434,7 @@ void UpdateModelVertsToCurrentBones(Model model)
void UpdateModelAnimation(Model model, ModelAnimation anim, int frame)
{
UpdateModelAnimationBones(model,anim,frame);
for (int m = 0; m < model.meshCount; m++)
{
Mesh mesh = model.meshes[m];
Vector3 animVertex = { 0 };
Vector3 animNormal = { 0 };
int boneId = 0;
int boneCounter = 0;
float boneWeight = 0.0;
bool updated = false; // Flag to check when anim vertex information is updated
const int vValues = mesh.vertexCount*3;
for (int vCounter = 0; vCounter < vValues; vCounter += 3)
{
mesh.animVertices[vCounter] = 0;
mesh.animVertices[vCounter + 1] = 0;
mesh.animVertices[vCounter + 2] = 0;
if (mesh.animNormals != NULL)
{
mesh.animNormals[vCounter] = 0;
mesh.animNormals[vCounter + 1] = 0;
mesh.animNormals[vCounter + 2] = 0;
}
// Iterates over 4 bones per vertex
for (int j = 0; j < 4; j++, boneCounter++)
{
boneWeight = mesh.boneWeights[boneCounter];
boneId = mesh.boneIds[boneCounter];
// Early stop when no transformation will be applied
if (boneWeight == 0.0f) continue;
animVertex = (Vector3){ mesh.vertices[vCounter], mesh.vertices[vCounter + 1], mesh.vertices[vCounter + 2] };
animVertex = Vector3Transform(animVertex,model.meshes[m].boneMatrices[boneId]);
mesh.animVertices[vCounter] += animVertex.x*boneWeight;
mesh.animVertices[vCounter+1] += animVertex.y*boneWeight;
mesh.animVertices[vCounter+2] += animVertex.z*boneWeight;
updated = true;
// Normals processing
// NOTE: We use meshes.baseNormals (default normal) to calculate meshes.normals (animated normals)
if (mesh.normals != NULL)
{
animNormal = (Vector3){ mesh.normals[vCounter], mesh.normals[vCounter + 1], mesh.normals[vCounter + 2] };
animNormal = Vector3Transform(animNormal,model.meshes[m].boneMatrices[boneId]);
mesh.animNormals[vCounter] += animNormal.x*boneWeight;
mesh.animNormals[vCounter + 1] += animNormal.y*boneWeight;
mesh.animNormals[vCounter + 2] += animNormal.z*boneWeight;
}
}
}
if (updated)
{
rlUpdateVertexBuffer(mesh.vboId[0], mesh.animVertices, mesh.vertexCount*3*sizeof(float), 0); // Update vertex position
rlUpdateVertexBuffer(mesh.vboId[2], mesh.animNormals, mesh.vertexCount*3*sizeof(float), 0); // Update vertex normals
}
}
UpdateModelVertsToCurrentBones(model);
}
// Unload animation array data