Update/merge examples back into main repo (#192)

2025-07-02 19:13:43 -04:00 · 2023-08-25 08:08:32 +01:00
parent fa682b00ac
commit bcdf8cec5b
320 changed files with 57965 additions and 1 deletions
--- a/Examples/Core/WorldScreen.cs
+++ b/Examples/Core/WorldScreen.cs
@ -0,0 +1,97 @@
+/*******************************************************************************************
+*
+*   raylib [core] example - World to screen
+*
+*   This example has been created using raylib 1.3 (www.raylib.com)
+*   raylib is licensed under an unmodified zlib/libpng license (View raylib.h for details)
+*
+*   Copyright (c) 2015 Ramon Santamaria (@raysan5)
+*
+********************************************************************************************/
+
+using System.Numerics;
+using static Raylib_cs.Raylib;
+
+namespace Examples.Core;
+
+public class WorldScreen
+{
+    public static int Main()
+    {
+        // Initialization
+        //--------------------------------------------------------------------------------------
+        const int screenWidth = 800;
+        const int screenHeight = 450;
+
+        InitWindow(screenWidth, screenHeight, "raylib [core] example - 3d camera free");
+
+        // Define the camera to look into our 3d world
+        Camera3D camera = new();
+        camera.Position = new Vector3(10.0f, 10.0f, 10.0f);
+        camera.Target = new Vector3(0.0f, 0.0f, 0.0f);
+        camera.Up = new Vector3(0.0f, 1.0f, 0.0f);
+        camera.FovY = 45.0f;
+        camera.Projection = CameraProjection.CAMERA_PERSPECTIVE;
+
+        Vector3 cubePosition = new(0.0f, 0.0f, 0.0f);
+        Vector2 cubeScreenPosition;
+
+        SetTargetFPS(60);
+        //--------------------------------------------------------------------------------------
+
+        // Main game loop
+        while (!WindowShouldClose())
+        {
+            // Update
+            //----------------------------------------------------------------------------------
+            UpdateCamera(ref camera, CameraMode.CAMERA_FREE);
+
+            // Calculate cube screen space position (with a little offset to be in top)
+            cubeScreenPosition = GetWorldToScreen(
+                new Vector3(cubePosition.X, cubePosition.Y + 2.5f, cubePosition.Z),
+                camera
+            );
+            //----------------------------------------------------------------------------------
+
+            // Draw
+            //----------------------------------------------------------------------------------
+            BeginDrawing();
+            ClearBackground(Color.RAYWHITE);
+
+            BeginMode3D(camera);
+
+            DrawCube(cubePosition, 2.0f, 2.0f, 2.0f, Color.RED);
+            DrawCubeWires(cubePosition, 2.0f, 2.0f, 2.0f, Color.MAROON);
+
+            DrawGrid(10, 1.0f);
+
+            EndMode3D();
+
+            DrawText(
+                "Enemy: 100 / 100",
+                (int)cubeScreenPosition.X - MeasureText("Enemy: 100 / 100", 20) / 2,
+                (int)cubeScreenPosition.Y,
+                20,
+                Color.BLACK
+            );
+            DrawText(
+                "Text is always on top of the cube",
+                (screenWidth - MeasureText("Text is always on top of the cube", 20)) / 2,
+                25,
+                20,
+                Color.GRAY
+            );
+
+            EndDrawing();
+            //----------------------------------------------------------------------------------
+        }
+
+        // De-Initialization
+        //--------------------------------------------------------------------------------------
+        CloseWindow();
+        //--------------------------------------------------------------------------------------
+
+        return 0;
+    }
+}
+