1 | /******************************************************************************************* |
2 | * |
3 | * raylib [core] example - Initialize 3d camera free |
4 | * |
5 | * This example has been created using raylib 1.3 (www.raylib.com) |
6 | * raylib is licensed under an unmodified zlib/libpng license (View raylib.h for details) |
7 | * |
8 | * Copyright (c) 2015 Ramon Santamaria (@raysan5) |
9 | * |
10 | ********************************************************************************************/ |
11 | |
12 | #include "raylib.h" |
13 | |
14 | int main(void) |
15 | { |
16 | // Initialization |
17 | //-------------------------------------------------------------------------------------- |
18 | const int screenWidth = 800; |
19 | const int screenHeight = 450; |
20 | |
21 | InitWindow(screenWidth, screenHeight, "raylib [core] example - 3d camera free" ); |
22 | |
23 | // Define the camera to look into our 3d world |
24 | Camera3D camera = { 0 }; |
25 | camera.position = (Vector3){ 10.0f, 10.0f, 10.0f }; // Camera position |
26 | camera.target = (Vector3){ 0.0f, 0.0f, 0.0f }; // Camera looking at point |
27 | camera.up = (Vector3){ 0.0f, 1.0f, 0.0f }; // Camera up vector (rotation towards target) |
28 | camera.fovy = 45.0f; // Camera field-of-view Y |
29 | camera.type = CAMERA_PERSPECTIVE; // Camera mode type |
30 | |
31 | Vector3 cubePosition = { 0.0f, 0.0f, 0.0f }; |
32 | |
33 | SetCameraMode(camera, CAMERA_FREE); // Set a free camera mode |
34 | |
35 | SetTargetFPS(60); // Set our game to run at 60 frames-per-second |
36 | //-------------------------------------------------------------------------------------- |
37 | |
38 | // Main game loop |
39 | while (!WindowShouldClose()) // Detect window close button or ESC key |
40 | { |
41 | // Update |
42 | //---------------------------------------------------------------------------------- |
43 | UpdateCamera(&camera); // Update camera |
44 | |
45 | if (IsKeyDown('Z')) camera.target = (Vector3){ 0.0f, 0.0f, 0.0f }; |
46 | //---------------------------------------------------------------------------------- |
47 | |
48 | // Draw |
49 | //---------------------------------------------------------------------------------- |
50 | BeginDrawing(); |
51 | |
52 | ClearBackground(RAYWHITE); |
53 | |
54 | BeginMode3D(camera); |
55 | |
56 | DrawCube(cubePosition, 2.0f, 2.0f, 2.0f, RED); |
57 | DrawCubeWires(cubePosition, 2.0f, 2.0f, 2.0f, MAROON); |
58 | |
59 | DrawGrid(10, 1.0f); |
60 | |
61 | EndMode3D(); |
62 | |
63 | DrawRectangle( 10, 10, 320, 133, Fade(SKYBLUE, 0.5f)); |
64 | DrawRectangleLines( 10, 10, 320, 133, BLUE); |
65 | |
66 | DrawText("Free camera default controls:" , 20, 20, 10, BLACK); |
67 | DrawText("- Mouse Wheel to Zoom in-out" , 40, 40, 10, DARKGRAY); |
68 | DrawText("- Mouse Wheel Pressed to Pan" , 40, 60, 10, DARKGRAY); |
69 | DrawText("- Alt + Mouse Wheel Pressed to Rotate" , 40, 80, 10, DARKGRAY); |
70 | DrawText("- Alt + Ctrl + Mouse Wheel Pressed for Smooth Zoom" , 40, 100, 10, DARKGRAY); |
71 | DrawText("- Z to zoom to (0, 0, 0)" , 40, 120, 10, DARKGRAY); |
72 | |
73 | EndDrawing(); |
74 | //---------------------------------------------------------------------------------- |
75 | } |
76 | |
77 | // De-Initialization |
78 | //-------------------------------------------------------------------------------------- |
79 | CloseWindow(); // Close window and OpenGL context |
80 | //-------------------------------------------------------------------------------------- |
81 | |
82 | return 0; |
83 | } |