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ADDED: GetModelBoundingBox()

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Reorganized models functionality, it still needs some review...
This commit is contained in:
raysan5 2021-07-28 13:15:10 +02:00
parent 7c7ee1cdc8
commit 0c3902b543
2 changed files with 58 additions and 30 deletions
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29
src/models.c
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@ -819,6 +819,35 @@ void UnloadModelKeepMeshes(Model model)
TRACELOG(LOG_INFO, "MODEL: Unloaded model (but not meshes) from RAM and VRAM");
}
// Compute model bounding box limits (considers all meshes)
BoundingBox GetModelBoundingBox(Model model)
{
BoundingBox bounds = { 0 };
if (model.meshCount > 0)
{
Vector3 temp = { 0 };
bounds = GetMeshBoundingBox(model.meshes[0]);
for (int i = 1; i < model.meshCount; i++)
{
BoundingBox tempBounds = GetMeshBoundingBox(model.meshes[i]);
temp.x = (bounds.min.x < tempBounds.min.x)? bounds.min.x : tempBounds.min.x;
temp.y = (bounds.min.y < tempBounds.min.y)? bounds.min.y : tempBounds.min.y;
temp.z = (bounds.min.z < tempBounds.min.z)? bounds.min.z : tempBounds.min.z;
bounds.min = temp;
temp.x = (bounds.max.x > tempBounds.max.x)? bounds.max.x : tempBounds.max.x;
temp.y = (bounds.max.y > tempBounds.max.y)? bounds.max.y : tempBounds.max.y;
temp.z = (bounds.max.z > tempBounds.max.z)? bounds.max.z : tempBounds.max.z;
bounds.max = temp;
}
}
return bounds;
}
// Upload vertex data into a VAO (if supported) and VBO
void UploadMesh(Mesh *mesh, bool dynamic)
{

59
src/raylib.h
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@ -1378,19 +1378,45 @@ RLAPI void DrawGrid(int slices, float spacing);
// Model 3d Loading and Drawing Functions (Module: models)
//------------------------------------------------------------------------------------
// Model loading/unloading functions
// Model management functions
RLAPI Model LoadModel(const char *fileName); // Load model from files (meshes and materials)
RLAPI Model LoadModelFromMesh(Mesh mesh); // Load model from generated mesh (default material)
RLAPI void UnloadModel(Model model); // Unload model (including meshes) from memory (RAM and/or VRAM)
RLAPI void UnloadModelKeepMeshes(Model model); // Unload model (but not meshes) from memory (RAM and/or VRAM)
RLAPI BoundingBox GetModelBoundingBox(Model model); // Compute model bounding box limits (considers all meshes)
// Mesh loading/unloading functions
// Model drawing functions
RLAPI void DrawModel(Model model, Vector3 position, float scale, Color tint); // Draw a model (with texture if set)
RLAPI void DrawModelEx(Model model, Vector3 position, Vector3 rotationAxis, float rotationAngle, Vector3 scale, Color tint); // Draw a model with extended parameters
RLAPI void DrawModelWires(Model model, Vector3 position, float scale, Color tint); // Draw a model wires (with texture if set)
RLAPI void DrawModelWiresEx(Model model, Vector3 position, Vector3 rotationAxis, float rotationAngle, Vector3 scale, Color tint); // Draw a model wires (with texture if set) with extended parameters
RLAPI void DrawBoundingBox(BoundingBox box, Color color); // Draw bounding box (wires)
RLAPI void DrawBillboard(Camera camera, Texture2D texture, Vector3 position, float size, Color tint); // Draw a billboard texture
RLAPI void DrawBillboardRec(Camera camera, Texture2D texture, Rectangle source, Vector3 position, Vector2 size, Color tint); // Draw a billboard texture defined by source
RLAPI void DrawBillboardPro(Camera camera, Texture2D texture, Rectangle source, Vector3 position, Vector2 size, Vector2 origin, float rotation, Color tint); // Draw a billboard texture defined by source and rotation
// Mesh management functions
RLAPI void UploadMesh(Mesh *mesh, bool dynamic); // Upload mesh vertex data in GPU and provide VAO/VBO ids
RLAPI void UpdateMeshBuffer(Mesh mesh, int index, void *data, int dataSize, int offset); // Update mesh vertex data in GPU for a specific buffer index
RLAPI void UnloadMesh(Mesh mesh); // Unload mesh data from CPU and GPU
RLAPI void DrawMesh(Mesh mesh, Material material, Matrix transform); // Draw a 3d mesh with material and transform
RLAPI void DrawMeshInstanced(Mesh mesh, Material material, Matrix *transforms, int instances); // Draw multiple mesh instances with material and different transforms
RLAPI void UnloadMesh(Mesh mesh); // Unload mesh data from CPU and GPU
RLAPI bool ExportMesh(Mesh mesh, const char *fileName); // Export mesh data to file, returns true on success
RLAPI BoundingBox GetMeshBoundingBox(Mesh mesh); // Compute mesh bounding box limits
RLAPI void GenMeshTangents(Mesh *mesh); // Compute mesh tangents
RLAPI void GenMeshBinormals(Mesh *mesh); // Compute mesh binormals
// Mesh generation functions
RLAPI Mesh GenMeshPoly(int sides, float radius); // Generate polygonal mesh
RLAPI Mesh GenMeshPlane(float width, float length, int resX, int resZ); // Generate plane mesh (with subdivisions)
RLAPI Mesh GenMeshCube(float width, float height, float length); // Generate cuboid mesh
RLAPI Mesh GenMeshSphere(float radius, int rings, int slices); // Generate sphere mesh (standard sphere)
RLAPI Mesh GenMeshHemiSphere(float radius, int rings, int slices); // Generate half-sphere mesh (no bottom cap)
RLAPI Mesh GenMeshCylinder(float radius, float height, int slices); // Generate cylinder mesh
RLAPI Mesh GenMeshTorus(float radius, float size, int radSeg, int sides); // Generate torus mesh
RLAPI Mesh GenMeshKnot(float radius, float size, int radSeg, int sides); // Generate trefoil knot mesh
RLAPI Mesh GenMeshHeightmap(Image heightmap, Vector3 size); // Generate heightmap mesh from image data
RLAPI Mesh GenMeshCubicmap(Image cubicmap, Vector3 cubeSize); // Generate cubes-based map mesh from image data
// Material loading/unloading functions
RLAPI Material *LoadMaterials(const char *fileName, int *materialCount); // Load materials from model file
@ -1406,33 +1432,6 @@ RLAPI void UnloadModelAnimation(ModelAnimation anim);
RLAPI void UnloadModelAnimations(ModelAnimation* animations, unsigned int count); // Unload animation array data
RLAPI bool IsModelAnimationValid(Model model, ModelAnimation anim); // Check model animation skeleton match
// Mesh generation functions
RLAPI Mesh GenMeshPoly(int sides, float radius); // Generate polygonal mesh
RLAPI Mesh GenMeshPlane(float width, float length, int resX, int resZ); // Generate plane mesh (with subdivisions)
RLAPI Mesh GenMeshCube(float width, float height, float length); // Generate cuboid mesh
RLAPI Mesh GenMeshSphere(float radius, int rings, int slices); // Generate sphere mesh (standard sphere)
RLAPI Mesh GenMeshHemiSphere(float radius, int rings, int slices); // Generate half-sphere mesh (no bottom cap)
RLAPI Mesh GenMeshCylinder(float radius, float height, int slices); // Generate cylinder mesh
RLAPI Mesh GenMeshTorus(float radius, float size, int radSeg, int sides); // Generate torus mesh
RLAPI Mesh GenMeshKnot(float radius, float size, int radSeg, int sides); // Generate trefoil knot mesh
RLAPI Mesh GenMeshHeightmap(Image heightmap, Vector3 size); // Generate heightmap mesh from image data
RLAPI Mesh GenMeshCubicmap(Image cubicmap, Vector3 cubeSize); // Generate cubes-based map mesh from image data
// Mesh manipulation functions
RLAPI BoundingBox GetMeshBoundingBox(Mesh mesh); // Compute mesh bounding box limits
RLAPI void GenMeshTangents(Mesh *mesh); // Compute mesh tangents
RLAPI void GenMeshBinormals(Mesh *mesh); // Compute mesh binormals
// Model drawing functions
RLAPI void DrawModel(Model model, Vector3 position, float scale, Color tint); // Draw a model (with texture if set)
RLAPI void DrawModelEx(Model model, Vector3 position, Vector3 rotationAxis, float rotationAngle, Vector3 scale, Color tint); // Draw a model with extended parameters
RLAPI void DrawModelWires(Model model, Vector3 position, float scale, Color tint); // Draw a model wires (with texture if set)
RLAPI void DrawModelWiresEx(Model model, Vector3 position, Vector3 rotationAxis, float rotationAngle, Vector3 scale, Color tint); // Draw a model wires (with texture if set) with extended parameters
RLAPI void DrawBoundingBox(BoundingBox box, Color color); // Draw bounding box (wires)
RLAPI void DrawBillboard(Camera camera, Texture2D texture, Vector3 position, float size, Color tint); // Draw a billboard texture
RLAPI void DrawBillboardRec(Camera camera, Texture2D texture, Rectangle source, Vector3 position, Vector2 size, Color tint); // Draw a billboard texture defined by source
RLAPI void DrawBillboardPro(Camera camera, Texture2D texture, Rectangle source, Vector3 position, Vector2 size, Vector2 origin, float rotation, Color tint); // Draw a billboard texture defined by source and rotation
// Collision detection functions
RLAPI bool CheckCollisionSpheres(Vector3 center1, float radius1, Vector3 center2, float radius2); // Check collision between two spheres
RLAPI bool CheckCollisionBoxes(BoundingBox box1, BoundingBox box2); // Check collision between two bounding boxes