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/Textures/BackgroundScrolling.cs
+++ b/Examples/Textures/BackgroundScrolling.cs
@ -0,0 +1,116 @@
+/*******************************************************************************************
+*
+*   raylib [textures] example - Background scrolling
+*
+*   This example has been created using raylib 2.0 (www.raylib.com)
+*   raylib is licensed under an unmodified zlib/libpng license (View raylib.h for details)
+*
+*   Copyright (c) 2019 Ramon Santamaria (@raysan5)
+*
+********************************************************************************************/
+
+using System.Numerics;
+using static Raylib_cs.Raylib;
+
+namespace Examples.Textures;
+
+public class BackgroundScrolling
+{
+    public static int Main()
+    {
+        // Initialization
+        //--------------------------------------------------------------------------------------
+        const int screenWidth = 800;
+        const int screenHeight = 450;
+
+        InitWindow(screenWidth, screenHeight, "raylib [textures] example - background scrolling");
+
+        // NOTE: Be careful, background width must be equal or bigger than screen width
+        // if not, texture should be draw more than two times for scrolling effect
+        Texture2D background = LoadTexture("resources/cyberpunk_street_background.png");
+        Texture2D midground = LoadTexture("resources/cyberpunk_street_midground.png");
+        Texture2D foreground = LoadTexture("resources/cyberpunk_street_foreground.png");
+
+        float scrollingBack = 0.0f;
+        float scrollingMid = 0.0f;
+        float scrollingFore = 0.0f;
+
+        SetTargetFPS(60); // Set our game to run at 60 frames-per-second
+        //--------------------------------------------------------------------------------------
+
+        // Main game loop
+        while (!WindowShouldClose())
+        {
+            // Update
+            //----------------------------------------------------------------------------------
+            scrollingBack -= 0.1f;
+            scrollingMid -= 0.5f;
+            scrollingFore -= 1.0f;
+
+            // NOTE: Texture is scaled twice its size, so it sould be considered on scrolling
+            if (scrollingBack <= -background.Width * 2)
+            {
+                scrollingBack = 0;
+            }
+            if (scrollingMid <= -midground.Width * 2)
+            {
+                scrollingMid = 0;
+            }
+            if (scrollingFore <= -foreground.Width * 2)
+            {
+                scrollingFore = 0;
+            }
+            //----------------------------------------------------------------------------------
+
+            // Draw
+            //----------------------------------------------------------------------------------
+            BeginDrawing();
+            ClearBackground(GetColor(0x052c46ff));
+
+            // Draw background image twice
+            // NOTE: Texture is scaled twice its size
+            DrawTextureEx(background, new Vector2(scrollingBack, 20), 0.0f, 2.0f, Color.WHITE);
+            DrawTextureEx(
+                background,
+                new Vector2(background.Width * 2 + scrollingBack, 20),
+                0.0f,
+                2.0f,
+                Color.WHITE
+            );
+
+            // Draw midground image twice
+            DrawTextureEx(midground, new Vector2(scrollingMid, 20), 0.0f, 2.0f, Color.WHITE);
+            DrawTextureEx(midground, new Vector2(midground.Width * 2 + scrollingMid, 20), 0.0f, 2.0f, Color.WHITE);
+
+            // Draw foreground image twice
+            DrawTextureEx(foreground, new Vector2(scrollingFore, 70), 0.0f, 2.0f, Color.WHITE);
+            DrawTextureEx(
+                foreground,
+                new Vector2(foreground.Width * 2 + scrollingFore, 70),
+                0.0f,
+                2.0f,
+                Color.WHITE
+            );
+
+            DrawText("BACKGROUND SCROLLING & PARALLAX", 10, 10, 20, Color.RED);
+
+            int x = screenWidth - 330;
+            int y = screenHeight - 20;
+            DrawText("(c) Cyberpunk Street Environment by Luis Zuno (@ansimuz)", x, y, 10, Color.RAYWHITE);
+
+            EndDrawing();
+            //----------------------------------------------------------------------------------
+        }
+
+        // De-Initialization
+        //--------------------------------------------------------------------------------------
+        UnloadTexture(background);
+        UnloadTexture(midground);
+        UnloadTexture(foreground);
+
+        CloseWindow();
+        //--------------------------------------------------------------------------------------
+
+        return 0;
+    }
+}