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;
}
int main()
{
// Initialization
//--------------------------------------------------------------------------------------
int screenWidth = 800;
int screenHeight = 450;
InitWindow(screenWidth, screenHeight, "raylib [core] example - 3d picking");
// Define the camera to look into our 3d world
Camera camera = {{ 0.0, 10.0, 10.0 }, { 0.0, 0.0, 0.0 }, { 0.0, 1.0, 0.0 }};
Vector3 cubePosition = { 0.0, 1.0, 0.0 };
Ray ray; // Picking line ray
SetCameraMode(CAMERA_FREE); // Set a free camera mode
SetCameraPosition(camera.position); // Set internal camera position to match our camera position
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))
{
// NOTE: This function is NOT WORKING properly!
ray = GetMouseRay(GetMousePosition(), camera);
// TODO: Check collision between ray and box
}
//----------------------------------------------------------------------------------
// Draw
//----------------------------------------------------------------------------------
BeginDrawing();
ClearBackground(RAYWHITE);
Begin3dMode(camera);
DrawCube(cubePosition, 2, 2, 2, GRAY);
DrawCubeWires(cubePosition, 2, 2, 2, DARKGRAY);
DrawGrid(10.0, 1.0);
DrawRay(ray, MAROON);
End3dMode();
DrawText("Try selecting the box with mouse!", 240, 10, 20, GRAY);
DrawFPS(10, 10);
EndDrawing();
//----------------------------------------------------------------------------------
}
// De-Initialization
//--------------------------------------------------------------------------------------
CloseWindow(); // Close window and OpenGL context
//--------------------------------------------------------------------------------------
return 0;
}
