Merge pull request #367 from raysan5/develop

Integrate Develop branch

1 files changed, 113 insertions, 0 deletions

diff --git a/examples/models/models_mesh_generation.c b/examples/models/models_mesh_generation.c
new file mode 100644
index 00000000..72222156
--- /dev/null
+++ b/examples/models/models_mesh_generation.c
@@ -0,0 +1,113 @@
+/*******************************************************************************************
+*
+*   raylib example - procedural mesh generation
+*
+*   This example has been created using raylib 1.8 (www.raylib.com)
+*   raylib is licensed under an unmodified zlib/libpng license (View raylib.h for details)
+*
+*   Copyright (c) 2017 Ramon Santamaria (Ray San)
+*
+********************************************************************************************/
+
+#include "raylib.h"
+
+#define NUM_MODELS  7      // We generate 7 parametric 3d shapes
+
+int main()
+{
+    // Initialization
+    //--------------------------------------------------------------------------------------
+    int screenWidth = 800;
+    int screenHeight = 450;
+
+    InitWindow(screenWidth, screenHeight, "raylib [models] example - mesh generation");
+    
+    // We generate a checked image for texturing
+    Image checked = GenImageChecked(2, 2, 1, 1, RED, GREEN);
+    Texture2D texture = LoadTextureFromImage(checked);
+    UnloadImage(checked);
+    
+    Model models[NUM_MODELS];
+    
+    models[0] = LoadModelFromMesh(GenMeshPlane(2, 2, 5, 5));
+    models[1] = LoadModelFromMesh(GenMeshCube(2.0f, 1.0f, 2.0f));
+    models[2] = LoadModelFromMesh(GenMeshSphere(2, 32, 32));
+    models[3] = LoadModelFromMesh(GenMeshHemiSphere(2, 16, 16));
+    models[4] = LoadModelFromMesh(GenMeshCylinder(1, 2, 16));
+    models[5] = LoadModelFromMesh(GenMeshTorus(0.25f, 4.0f, 16, 32));
+    models[6] = LoadModelFromMesh(GenMeshKnot(1.0f, 2.0f, 16, 128));
+    
+    // Set checked texture as default diffuse component for all models material
+    for (int i = 0; i < NUM_MODELS; i++) models[i].material.maps[MAP_DIFFUSE].texture = texture;
+
+    // Define the camera to look into our 3d world
+    Camera camera = {{ 5.0f, 5.0f, 5.0f }, { 0.0f, 0.0f, 0.0f }, { 0.0f, 1.0f, 0.0f }, 45.0f };
+
+    // 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_LEFT_BUTTON))
+        {
+            currentModel = (currentModel + 1)%NUM_MODELS; // Cycle between the textures
+        }
+        //----------------------------------------------------------------------------------
+
+        // Draw
+        //----------------------------------------------------------------------------------
+        BeginDrawing();
+
+            ClearBackground(RAYWHITE);
+
+            Begin3dMode(camera);
+
+                DrawModel(models[currentModel], position, 1.0f, WHITE);
+
+                DrawGrid(10, 1.0);
+
+            End3dMode();
+            
+            DrawRectangle(30, 400, 310, 30, Fade(SKYBLUE, 0.5f));
+            DrawRectangleLines(30, 400, 310, 30, Fade(DARKBLUE, 0.5f));
+            DrawText("MOUSE LEFT BUTTON to CYCLE PROCEDURAL MODELS", 40, 410, 10, BLUE);
+            
+            switch(currentModel)
+            {
+                case 0: DrawText("PLANE", 680, 10, 20, DARKBLUE); break;
+                case 1: DrawText("CUBE", 680, 10, 20, DARKBLUE); break;
+                case 2: DrawText("SPHERE", 680, 10, 20, DARKBLUE); break;
+                case 3: DrawText("HEMISPHERE", 640, 10, 20, DARKBLUE); break;
+                case 4: DrawText("CYLINDER", 680, 10, 20, DARKBLUE); break;
+                case 5: DrawText("TORUS", 680, 10, 20, DARKBLUE); break;
+                case 6: DrawText("KNOT", 680, 10, 20, DARKBLUE); break;
+                default: break;
+            }
+
+        EndDrawing();
+        //----------------------------------------------------------------------------------
+    }
+
+    // De-Initialization
+    //--------------------------------------------------------------------------------------
+    
+    // Unload models data (GPU VRAM)
+    for (int i = 0; i < NUM_MODELS; i++) UnloadModel(models[i]);
+    
+    CloseWindow();        // Close window and OpenGL context
+    //--------------------------------------------------------------------------------------
+
+    return 0;
+}
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