|
|
- /*******************************************************************************************
- *
- * raylib [models] example - OBJ models viewer
- *
- * This example has been created using raylib 2.0 (www.raylib.com)
- * raylib is licensed under an unmodified zlib/libpng license (View raylib.h for details)
- *
- * Copyright (c) 2014-2019 Ramon Santamaria (@raysan5)
- *
- ********************************************************************************************/
-
- #include "raylib.h"
-
- #include <string.h> // Required for: strcpy()
-
- int main(void)
- {
- // Initialization
- //--------------------------------------------------------------------------------------
- const int screenWidth = 800;
- const int screenHeight = 450;
-
- InitWindow(screenWidth, screenHeight, "raylib example - obj viewer");
-
- // Define the camera to look into our 3d world
- Camera camera = { { 30.0f, 30.0f, 30.0f }, { 0.0f, 10.0f, 0.0f }, { 0.0f, 1.0f, 0.0f }, 45.0f, 0 };
-
- Model model = LoadModel("resources/models/turret.obj"); // Load default model obj
- Texture2D texture = LoadTexture("resources/models/turret_diffuse.png"); // Load default model texture
- model.materials[0].maps[MAP_DIFFUSE].texture = texture; // Bind texture to model
-
- Vector3 position = { 0.0, 0.0, 0.0 }; // Set model position
- BoundingBox bounds = MeshBoundingBox(model.meshes[0]); // Set model bounds
- bool selected = false; // Selected object flag
-
- SetCameraMode(camera, CAMERA_FREE); // Set a free camera mode
-
- char objFilename[64] = "turret.obj";
-
- 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
- //----------------------------------------------------------------------------------
- if (IsFileDropped())
- {
- int count = 0;
- char **droppedFiles = GetDroppedFiles(&count);
-
- if (count == 1)
- {
- if (IsFileExtension(droppedFiles[0], ".obj"))
- {
- for (int i = 0; i < model.meshCount; i++) UnloadMesh(&model.meshes[i]);
- model.meshes = LoadMeshes(droppedFiles[0], &model.meshCount);
- bounds = MeshBoundingBox(model.meshes[0]);
- }
- else if (IsFileExtension(droppedFiles[0], ".png"))
- {
- UnloadTexture(texture);
- texture = LoadTexture(droppedFiles[0]);
- model.materials[0].maps[MAP_DIFFUSE].texture = texture;
- }
-
- strcpy(objFilename, GetFileName(droppedFiles[0]));
- }
-
- ClearDroppedFiles(); // Clear internal buffers
- }
-
- UpdateCamera(&camera);
-
- // Select model on mouse click
- if (IsMouseButtonPressed(MOUSE_LEFT_BUTTON))
- {
- // Check collision between ray and box
- if (CheckCollisionRayBox(GetMouseRay(GetMousePosition(), camera), bounds)) selected = !selected;
- else selected = false;
- }
- //----------------------------------------------------------------------------------
-
- // Draw
- //----------------------------------------------------------------------------------
- BeginDrawing();
-
- ClearBackground(RAYWHITE);
-
- BeginMode3D(camera);
-
- DrawModel(model, position, 1.0f, WHITE); // Draw 3d model with texture
-
- DrawGrid(20.0, 10.0); // Draw a grid
-
- if (selected) DrawBoundingBox(bounds, GREEN);
-
- EndMode3D();
-
- DrawText("Free camera default controls:", 10, 20, 10, DARKGRAY);
- DrawText("- Mouse Wheel to Zoom in-out", 20, 40, 10, GRAY);
- DrawText("- Mouse Wheel Pressed to Pan", 20, 60, 10, GRAY);
- DrawText("- Alt + Mouse Wheel Pressed to Rotate", 20, 80, 10, GRAY);
- DrawText("- Alt + Ctrl + Mouse Wheel Pressed for Smooth Zoom", 20, 100, 10, GRAY);
-
- DrawText("Drag & drop .obj/.png to load mesh/texture.", 10, GetScreenHeight() - 20, 10, DARKGRAY);
- DrawText(FormatText("Current file: %s", objFilename), 250, GetScreenHeight() - 20, 10, GRAY);
- if (selected) DrawText("MODEL SELECTED", GetScreenWidth() - 110, 10, 10, GREEN);
-
- DrawText("(c) Turret 3D model by Alberto Cano", screenWidth - 200, screenHeight - 20, 10, GRAY);
-
- EndDrawing();
- //----------------------------------------------------------------------------------
- }
-
- // De-Initialization
- //--------------------------------------------------------------------------------------
- UnloadModel(model); // Unload model
-
- ClearDroppedFiles(); // Clear internal buffers
-
- CloseWindow(); // Close window and OpenGL context
- //--------------------------------------------------------------------------------------
-
- return 0;
- }
|