diff --git a/src/models.c b/src/models.c index 18ae48d15..3d200d2ae 100644 --- a/src/models.c +++ b/src/models.c @@ -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) { diff --git a/src/raylib.h b/src/raylib.h index 38af9f0eb..738feb53d 100644 --- a/src/raylib.h +++ b/src/raylib.h @@ -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