137 lines
4.8 KiB
C#
137 lines
4.8 KiB
C#
/*******************************************************************************************
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*
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* raylib [models] example - orthographic projection
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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 2.0, last time updated with raylib 3.7
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*
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* Example contributed by Max Danielsson (@autious) and reviewed by Ramon Santamaria (@raysan5)
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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) 2018-2025 Max Danielsson (@autious) and Ramon Santamaria (@raysan5)
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*
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********************************************************************************************/
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namespace Examples.Models;
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public partial class OrthographicProjection : IExample
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{
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public const float FOVY_PERSPECTIVE = 45.0f;
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public const float WIDTH_ORTHOGRAPHIC = 10.0f;
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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 => "Models / Orthographic Projection";
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public string Title => "raylib [models] example - orthographic projection";
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private Camera3D camera;
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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(0.0f, 10.0f, 10.0f);
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camera.Target = new Vector3(0.0f, 0.0f, 0.0f);
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camera.Up = new Vector3(0.0f, 1.0f, 0.0f);
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camera.FovY = FOVY_PERSPECTIVE;
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camera.Projection = CameraProjection.Perspective;
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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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if (IsKeyPressed(KeyboardKey.Space))
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{
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if (camera.Projection == CameraProjection.Perspective)
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{
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camera.FovY = WIDTH_ORTHOGRAPHIC;
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camera.Projection = CameraProjection.Orthographic;
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}
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else
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{
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camera.FovY = FOVY_PERSPECTIVE;
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camera.Projection = CameraProjection.Perspective;
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}
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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(new Vector3(-4.0f, 0.0f, 2.0f), 2.0f, 5.0f, 2.0f, Color.Red);
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DrawCubeWires(new Vector3(-4.0f, 0.0f, 2.0f), 2.0f, 5.0f, 2.0f, Color.Gold);
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DrawCubeWires(new Vector3(-4.0f, 0.0f, -2.0f), 3.0f, 6.0f, 2.0f, Color.Maroon);
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DrawSphere(new Vector3(-1.0f, 0.0f, -2.0f), 1.0f, Color.Green);
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DrawSphereWires(new Vector3(1.0f, 0.0f, 2.0f), 2.0f, 16, 16, Color.Lime);
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DrawCylinder(new Vector3(4.0f, 0.0f, -2.0f), 1.0f, 2.0f, 3.0f, 4, Color.SkyBlue);
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DrawCylinderWires(new Vector3(4.0f, 0.0f, -2.0f), 1.0f, 2.0f, 3.0f, 4, Color.DarkBlue);
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DrawCylinderWires(new Vector3(4.5f, -1.0f, 2.0f), 1.0f, 1.0f, 2.0f, 6, Color.Brown);
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DrawCylinder(new Vector3(1.0f, 0.0f, -4.0f), 0.0f, 1.5f, 3.0f, 8, Color.Gold);
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DrawCylinderWires(new Vector3(1.0f, 0.0f, -4.0f), 0.0f, 1.5f, 3.0f, 8, Color.Pink);
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DrawGrid(10, 1.0f); // Draw a grid
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EndMode3D();
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DrawText("Press Spacebar to switch camera type", 10, GetScreenHeight() - 30, 20, Color.DarkGray);
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if (camera.Projection == CameraProjection.Orthographic)
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{
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DrawText("ORTHOGRAPHIC", 10, 40, 20, Color.Black);
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}
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else if (camera.Projection == CameraProjection.Perspective)
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{
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DrawText("PERSPECTIVE", 10, 40, 20, Color.Black);
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}
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DrawFPS(10, 10);
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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 [models] example - orthographic projection");
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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 OrthographicProjection();
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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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