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Diffstat (limited to 'examples/models/models_mesh_generation.c')
| -rw-r--r-- | examples/models/models_mesh_generation.c | 113 |
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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