119 lines
4 KiB
C#
119 lines
4 KiB
C#
/*******************************************************************************************
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*
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* raylib [core] example - 3d camera free
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*
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* Example complexity rating: [★☆☆☆] 1/4
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*
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* Example originally created with raylib 1.3, last time updated with raylib 1.3
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*
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* Example licensed under an unmodified zlib/libpng license, which is an OSI-certified,
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* BSD-like license that allows static linking with closed source software
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*
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* Copyright (c) 2015-2025 Ramon Santamaria (@raysan5)
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*
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********************************************************************************************/
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using System.Numerics;
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using static Raylib_cs.Raylib;
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namespace Examples.Core;
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public partial class Camera3dFree : IExample
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{
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private const int screenWidth = 800;
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private const int screenHeight = 450;
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public string Name => "Core / Camera 3D Free";
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public string Title => "raylib [core] example - 3d camera free";
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public bool CursorDisabled => true;
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private Camera3D camera;
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private Vector3 cubePosition;
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public void Init()
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{
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// Define the camera to look into our 3d world
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camera = new();
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camera.Position = new Vector3(10.0f, 10.0f, 10.0f); // Camera position
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camera.Target = new Vector3(0.0f, 0.0f, 0.0f); // Camera looking at point
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camera.Up = new Vector3(0.0f, 1.0f, 0.0f); // Camera up vector (rotation towards target)
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camera.FovY = 45.0f; // Camera field-of-view Y
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camera.Projection = CameraProjection.Perspective; // Camera projection type
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cubePosition = new(0.0f, 0.0f, 0.0f);
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}
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public void Update()
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{
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// Update
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//----------------------------------------------------------------------------------
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UpdateCamera(ref camera, CameraMode.Free);
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if (IsKeyPressed(KeyboardKey.Z))
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{
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camera.Target = new Vector3(0.0f, 0.0f, 0.0f);
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}
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//----------------------------------------------------------------------------------
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// Draw
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//----------------------------------------------------------------------------------
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BeginDrawing();
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ClearBackground(Color.RayWhite);
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BeginMode3D(camera);
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DrawCube(cubePosition, 2.0f, 2.0f, 2.0f, Color.Red);
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DrawCubeWires(cubePosition, 2.0f, 2.0f, 2.0f, Color.Maroon);
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DrawGrid(10, 1.0f);
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EndMode3D();
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DrawRectangle(10, 10, 320, 93, Fade(Color.SkyBlue, 0.5f));
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DrawRectangleLines(10, 10, 320, 93, Color.Blue);
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DrawText("Free camera default controls:", 20, 20, 10, Color.Black);
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DrawText("- Mouse Wheel to Zoom in-out", 40, 40, 10, Color.DarkGray);
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DrawText("- Mouse Wheel Pressed to Pan", 40, 60, 10, Color.DarkGray);
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DrawText("- Z to zoom to (0, 0, 0)", 40, 80, 10, Color.DarkGray);
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EndDrawing();
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//----------------------------------------------------------------------------------
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}
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public void Unload()
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{
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}
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public static int Main()
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{
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// Initialization
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//--------------------------------------------------------------------------------------
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InitWindow(screenWidth, screenHeight, "raylib [core] example - 3d camera free");
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DisableCursor(); // Limit cursor to relative movement inside the window
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SetTargetFPS(60); // Set our game to run at 60 frames-per-second
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//--------------------------------------------------------------------------------------
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var game = new Camera3dFree();
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game.Init();
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// Main game loop
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while (!WindowShouldClose()) // Detect window close button or ESC key
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{
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game.Update();
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}
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game.Unload();
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// De-Initialization
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//--------------------------------------------------------------------------------------
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CloseWindow(); // Close window and OpenGL context
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//--------------------------------------------------------------------------------------
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return 0;
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}
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}
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