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Update models_decals.c

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Ray
2025-10-26 18:40:46 +01:00
parent 0fbc4272d0
commit 6a5b7fb3f8
1 changed files with 10 additions and 12 deletions
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22
examples/models/models_decals.c
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@@ -46,7 +46,7 @@ static Mesh BuildMesh(MeshBuilder *mb);
static Mesh GenMeshDecal(Model inputModel, Matrix projection, float decalSize, float decalOffset); static Mesh GenMeshDecal(Model inputModel, Matrix projection, float decalSize, float decalOffset);
static Vector3 ClipSegment(Vector3 v0, Vector3 v1, Vector3 p, float s); static Vector3 ClipSegment(Vector3 v0, Vector3 v1, Vector3 p, float s);
#define FreeDecalMeshData() GenMeshDecal((Model){ .meshCount = -1.0f }, (Matrix){ 0 }, 0.0f, 0.0f) #define FreeDecalMeshData() GenMeshDecal((Model){ .meshCount = -1.0f }, (Matrix){ 0 }, 0.0f, 0.0f)
static bool Button(Rectangle rec, char *label); static bool GuiButton(Rectangle rec, const char *label);
//------------------------------------------------------------------------------------ //------------------------------------------------------------------------------------
// Program main entry point // Program main entry point
@@ -248,14 +248,12 @@ int main(void)
DrawText("Hold RMB to move camera", 10, 430, 10, GRAY); DrawText("Hold RMB to move camera", 10, 430, 10, GRAY);
DrawText("(c) Character model and texture from kenney.nl", screenWidth - 260, screenHeight - 20, 10, GRAY); DrawText("(c) Character model and texture from kenney.nl", screenWidth - 260, screenHeight - 20, 10, GRAY);
Rectangle rect = (Rectangle){ 10, screenHeight - 100, 100, 60 }; // UI elements
if (GuiButton((Rectangle){ 10, screenHeight - 100, 100, 60 }, showModel ? "Hide Model" : "Show Model")) showModel = !showModel;
if (Button(rect, showModel ? "Hide Model" : "Show Model")) showModel = !showModel; if (GuiButton((Rectangle){ 10 + 110, screenHeight - 100, 100, 60 }, "Clear Decals"))
rect.x += rect.width + 10;
if (Button(rect, "Clear Decals"))
{ {
// Clear decals, unload all decal models
for (int i = 0; i < decalCount; i++) UnloadModel(decalModels[i]); for (int i = 0; i < decalCount; i++) UnloadModel(decalModels[i]);
decalCount = 0; decalCount = 0;
} }
@@ -362,14 +360,14 @@ static Vector3 ClipSegment(Vector3 v0, Vector3 v1, Vector3 p, float s)
} }
// Generate mesh decals for provided model // Generate mesh decals for provided model
static Mesh GenMeshDecal(Model inputModel, Matrix projection, float decalSize, float decalOffset) static Mesh GenMeshDecal(Model target, Matrix projection, float decalSize, float decalOffset)
{ {
// We're going to use these to build up our decal meshes // We're going to use these to build up our decal meshes
// They'll resize automatically as we go, we'll free them at the end // They'll resize automatically as we go, we'll free them at the end
static MeshBuilder meshBuilders[2] = { 0 }; static MeshBuilder meshBuilders[2] = { 0 };
// Ugly way of telling us to free the static MeshBuilder data // Ugly way of telling us to free the static MeshBuilder data
if (inputModel.meshCount == -1) if (target.meshCount == -1)
{ {
FreeMeshBuilder(&meshBuilders[0]); FreeMeshBuilder(&meshBuilders[0]);
FreeMeshBuilder(&meshBuilders[1]); FreeMeshBuilder(&meshBuilders[1]);
@@ -388,9 +386,9 @@ static Mesh GenMeshDecal(Model inputModel, Matrix projection, float decalSize, f
int mbIndex = 0; int mbIndex = 0;
// First pass, just get any triangle inside the bounding box (for each mesh of the model) // First pass, just get any triangle inside the bounding box (for each mesh of the model)
for (int meshIndex = 0; meshIndex < inputModel.meshCount; meshIndex++) for (int meshIndex = 0; meshIndex < target.meshCount; meshIndex++)
{ {
Mesh mesh = inputModel.meshes[meshIndex]; Mesh mesh = target.meshes[meshIndex];
for (int tri = 0; tri < mesh.triangleCount; tri++) for (int tri = 0; tri < mesh.triangleCount; tri++)
{ {
Vector3 vertices[3] = { 0 }; Vector3 vertices[3] = { 0 };
@@ -584,7 +582,7 @@ static Mesh GenMeshDecal(Model inputModel, Matrix projection, float decalSize, f
} }
// Button UI element // Button UI element
static bool Button(Rectangle rec, const char *label) static bool GuiButton(Rectangle rec, const char *label)
{ {
Color bgColor = GRAY; Color bgColor = GRAY;
bool pressed = false; bool pressed = false;