Rename examples for consistency

examples/models/models_loading.c

@@ -4,17 +4,19 @@
 *
 *   raylib supports multiple models file formats:
 *
-*     - OBJ > Text file, must include vertex position-texcoords-normals information,
-*             if files references some .mtl materials file, it will be loaded (or try to)
-*     - GLTF > Modern text/binary file format, includes lot of information and it could
-*              also reference external files, raylib will try loading mesh and materials data
-*     - IQM > Binary file format including mesh vertex data but also animation data,
-*             raylib can load .iqm animations.
+*     - OBJ  > Text file format. Must include vertex position-texcoords-normals information,
+*              if files references some .mtl materials file, it will be loaded (or try to).
+*     - GLTF > Text/binary file format. Includes lot of information and it could
+*              also reference external files, raylib will try loading mesh and materials data.
+*     - IQM  > Binary file format. Includes mesh vertex data but also animation data,
+*              raylib can load .iqm animations.
+*     - VOX  > Binary file format. MagikaVoxel mesh format:
+*              https://github.com/ephtracy/voxel-model/blob/master/MagicaVoxel-file-format-vox.txt
 *
-*   This example has been created using raylib 2.6 (www.raylib.com)
+*   This example has been created using raylib 4.0 (www.raylib.com)
 *   raylib is licensed under an unmodified zlib/libpng license (View raylib.h for details)
 *
-*   Copyright (c) 2014-2019 Ramon Santamaria (@raysan5)
+*   Copyright (c) 2014-2021 Ramon Santamaria (@raysan5)
 *
 ********************************************************************************************/
 

examples/models/models_loading_gltf.c

@@ -0,0 +1,108 @@
+/*******************************************************************************************
+*
+*   raylib [models] example - Load 3d gltf model
+*
+*   This example has been created using raylib 3.5 (www.raylib.com)
+*   raylib is licensed under an unmodified zlib/libpng license (View raylib.h for details)
+*
+*   Example contributed by Hristo Stamenov (@object71) and reviewed by Ramon Santamaria (@raysan5)
+*
+*   Copyright (c) 2021 Hristo Stamenov (@object71) and Ramon Santamaria (@raysan5)
+*
+********************************************************************************************
+*
+* To export a model from blender, make sure it is not posed, the vertices need to be in the
+* same position as they would be in edit mode.
+* and that the scale of your models is set to 0. Scaling can be done from the export menu.
+*
+********************************************************************************************/
+
+#include "raylib.h"
+
+#include <stdlib.h>
+
+#define MAX_MODELS  8
+
+int main(void)
+{
+    // Initialization
+    //--------------------------------------------------------------------------------------
+    const int screenWidth = 800;
+    const int screenHeight = 450;
+
+    InitWindow(screenWidth, screenHeight, "raylib [models] example - model");
+
+    // Define the camera to look into our 3d world
+    Camera camera = { 0 };
+    camera.position = (Vector3){ 10.0f, 10.0f, 10.0f }; // Camera position
+    camera.target = (Vector3){ 0.0f, 0.0f, 0.0f };      // Camera looking at point
+    camera.up = (Vector3){ 0.0f, 1.0f, 0.0f };          // Camera up vector (rotation towards target)
+    camera.fovy = 45.0f;                                // Camera field-of-view Y
+    camera.projection = CAMERA_PERSPECTIVE;             // Camera mode type
+
+    Model model[MAX_MODELS] = { 0 };
+
+    model[0] = LoadModel("resources/gltf/raylib_32x32.glb");
+    model[1] = LoadModel("resources/gltf/rigged_figure.glb");
+    model[2] = LoadModel("resources/gltf/GearboxAssy.glb");
+    model[3] = LoadModel("resources/gltf/BoxAnimated.glb");
+    model[4] = LoadModel("resources/gltf/AnimatedTriangle.gltf");
+    model[5] = LoadModel("resources/gltf/AnimatedMorphCube.glb");
+    model[6] = LoadModel("resources/gltf/vertex_colored_object.glb");
+    model[7] = LoadModel("resources/gltf/girl.glb");
+
+    int currentModel = 0;
+
+    Vector3 position = { 0.0f, 0.0f, 0.0f };    // Set model position
+
+    SetCameraMode(camera, CAMERA_FREE); // Set free camera mode
+
+    SetTargetFPS(60);                   // Set our game to run at 60 frames-per-second
+    //--------------------------------------------------------------------------------------
+
+    // Main game loop
+    while (!WindowShouldClose())        // Detect window close button or ESC key
+    {
+        // Update
+        //----------------------------------------------------------------------------------
+        UpdateCamera(&camera);
+
+        if (IsKeyReleased(KEY_RIGHT))
+        {
+            currentModel++;
+            if (currentModel == MAX_MODELS) currentModel = 0;
+        }
+
+        if (IsKeyReleased(KEY_LEFT))
+        {
+            currentModel--;
+            if (currentModel < 0) currentModel = MAX_MODELS - 1;
+        }
+
+        // Draw
+        //----------------------------------------------------------------------------------
+        BeginDrawing();
+
+            ClearBackground(SKYBLUE);
+
+            BeginMode3D(camera);
+
+                DrawModelEx(model[currentModel], position, (Vector3){ 0.0f, 1.0f, 0.0f }, 180.0f, (Vector3){ 2.0f, 2.0f, 2.0f }, WHITE);
+
+                DrawGrid(10, 1.0f);         // Draw a grid
+
+            EndMode3D();
+
+        EndDrawing();
+        //----------------------------------------------------------------------------------
+    }
+
+    // De-Initialization
+    //--------------------------------------------------------------------------------------
+    for (int i = 0; i < MAX_MODELS; i++) UnloadModel(model[i]);  // Unload models
+
+    CloseWindow();              // Close window and OpenGL context
+    //--------------------------------------------------------------------------------------
+
+    return 0;
+}

examples/models/models_loading_vox.c

@@ -0,0 +1,151 @@
+/*******************************************************************************************
+*
+*   raylib [models] example - magicavoxel loader and viewer
+*
+*   This example has been created using raylib 3.8 (www.raylib.com)
+*   raylib is licensed under an unmodified zlib/libpng license (View raylib.h for details)
+*
+*   Example contributed by Johann Nadalutti 
+*
+*   Copyright (c) 2021 Johann Nadalutti 
+*
+********************************************************************************************/
+
+#include "raylib.h"
+#include "raymath.h"
+
+#include <string.h>
+
+
+// VOX Files to load and view
+
+#define NUM_VOX_FILES  3
+
+const char* szVoxFiles[] = {
+	"resources/vox/chr_knight.vox",
+	"resources/vox/chr_sword.vox",
+	"resources/vox/monu9.vox"
+};
+
+
+int main(void)
+{
+	// Initialization
+	//--------------------------------------------------------------------------------------
+	const int screenWidth = 800;
+	const int screenHeight = 450;
+
+	InitWindow(screenWidth, screenHeight, "raylib [models] example - magicavoxel loading");
+
+	// Load MagicaVoxel files
+	Model models[NUM_VOX_FILES] = { 0 };
+
+	for (int i = 0; i < NUM_VOX_FILES; i++)
+	{
+		// Load MagicaVoxel File and build model
+		double t0, t1;
+		t0 = GetTime() * 1000.0;
+
+		models[i] = LoadModel(szVoxFiles[i]);
+
+		t1 = GetTime() * 1000.0;
+		TraceLog(LOG_INFO, TextFormat("Vox <%s> loaded in %f ms", GetFileName(szVoxFiles[i]), t1 - t0));
+
+		//Compute model's center matrix 
+		BoundingBox  bb = GetModelBoundingBox(models[i]);
+		Vector3 center;
+		center.x = bb.min.x  + (((bb.max.x - bb.min.x) / 2));
+		center.z = bb.min.z  + (((bb.max.z - bb.min.z) / 2));
+
+		Matrix matP = MatrixTranslate(-center.x, 0, -center.z);
+		models[i].transform = matP;
+
+
+	}
+
+
+	// Define the camera to look into our 3d world
+	Camera camera = { { 0.0f, 10.0f, 10.0f }, { 0.0f, 0.0f, 0.0f }, { 0.0f, 1.0f, 0.0f }, 45.0f, 0 };
+
+	// Model drawing position
+	Vector3 position = { 0.0f, 0.0f, 0.0f };
+
+	int currentModel = 0;
+
+
+
+	SetCameraMode(camera, CAMERA_ORBITAL);  // Set a orbital camera mode
+
+	SetTargetFPS(60);               // Set our game to run at 60 frames-per-second
+
+	//--------------------------------------------------------------------------------------
+	// Main game loop
+	//--------------------------------------------------------------------------------------
+	while (!WindowShouldClose())    // Detect window close button or ESC key
+	{
+		//--------------------------------------------------------------------------------------
+		// Update
+		//----------------------------------------------------------------------------------
+		UpdateCamera(&camera);      // Update internal camera and our camera
+
+		if (IsMouseButtonPressed(MOUSE_BUTTON_LEFT))
+		{
+			currentModel = (currentModel + 1) % NUM_VOX_FILES; // Cycle between models
+		}
+
+		if (IsKeyPressed(KEY_RIGHT))
+		{
+			currentModel++;
+			if (currentModel >= NUM_VOX_FILES) currentModel = 0;
+		}
+		else if (IsKeyPressed(KEY_LEFT))
+		{
+			currentModel--;
+			if (currentModel < 0) currentModel = NUM_VOX_FILES - 1;
+		}
+
+		//----------------------------------------------------------------------------------
+		// Draw
+		//----------------------------------------------------------------------------------
+		BeginDrawing();
+
+		ClearBackground(RAYWHITE);
+
+		//Display model
+		BeginMode3D(camera);
+
+		Vector3 rotAxis = { 1,0,0 };
+		Vector3 scale = { 1,1,1 };
+
+
+		DrawModelEx(models[currentModel], position, rotAxis, 0, scale, WHITE);
+		//DrawModelWiresEx(models[currentModel], position, rotAxis, -90.0f, scale, BLACK);
+
+		DrawGrid(10, 1.0);
+
+		EndMode3D();
+
+		//Display debug infos
+		DrawRectangle(30, 400, 310, 30, Fade(SKYBLUE, 0.5f));
+		DrawRectangleLines(30, 400, 310, 30, Fade(DARKBLUE, 0.5f));
+		DrawText("MOUSE LEFT BUTTON to CYCLE VOX MODELS", 40, 410, 10, BLUE);
+
+		DrawText(GetFileName(szVoxFiles[currentModel]), 100, 10, 20, DARKBLUE);
+
+		EndDrawing();
+		//----------------------------------------------------------------------------------
+	}
+
+	// De-Initialization
+	//--------------------------------------------------------------------------------------
+
+	// Unload models data (GPU VRAM)
+	for (int i = 0; i < NUM_VOX_FILES; i++) UnloadModel(models[i]);
+
+	CloseWindow();          // Close window and OpenGL context
+	//--------------------------------------------------------------------------------------
+
+	return 0;
+}
+
+