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/SpriteAnim.cs
+++ b/Examples/Textures/SpriteAnim.cs
@ -0,0 +1,124 @@
+/*******************************************************************************************
+*
+*   raylib [textures] example - Texture loading and drawing a part defined by a rectangle
+*
+*   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) 2014 Ramon Santamaria (@raysan5)
+*
+********************************************************************************************/
+
+using System;
+using System.Numerics;
+using static Raylib_cs.Raylib;
+
+namespace Examples.Textures;
+
+public class SpriteAnim
+{
+    public const int MaxFrameSpeed = 15;
+    public const int MinFrameSpeed = 1;
+
+    public static int Main()
+    {
+        // Initialization
+        //--------------------------------------------------------------------------------------
+        const int screenWidth = 800;
+        const int screenHeight = 450;
+
+        InitWindow(screenWidth, screenHeight, "raylib [texture] example - texture rectangle");
+
+        // NOTE: Textures MUST be loaded after Window initialization (OpenGL context is required)
+        Texture2D scarfy = LoadTexture("resources/scarfy.png");
+
+        Vector2 position = new(350.0f, 280.0f);
+        Rectangle frameRec = new(0.0f, 0.0f, (float)scarfy.Width / 6, (float)scarfy.Height);
+        int currentFrame = 0;
+
+        int framesCounter = 0;
+
+        // Number of spritesheet frames shown by second
+        int framesSpeed = 8;
+
+        SetTargetFPS(60);
+        //--------------------------------------------------------------------------------------
+
+        // Main game loop
+        while (!WindowShouldClose())
+        {
+            // Update
+            //----------------------------------------------------------------------------------
+            framesCounter++;
+
+            if (framesCounter >= (60 / framesSpeed))
+            {
+                framesCounter = 0;
+                currentFrame++;
+
+                if (currentFrame > 5)
+                {
+                    currentFrame = 0;
+                }
+
+                frameRec.X = (float)currentFrame * (float)scarfy.Width / 6;
+            }
+
+            if (IsKeyPressed(KeyboardKey.KEY_RIGHT))
+            {
+                framesSpeed++;
+            }
+            else if (IsKeyPressed(KeyboardKey.KEY_LEFT))
+            {
+                framesSpeed--;
+            }
+
+            framesSpeed = Math.Clamp(framesSpeed, MinFrameSpeed, MaxFrameSpeed);
+            //----------------------------------------------------------------------------------
+
+            // Draw
+            //----------------------------------------------------------------------------------
+            BeginDrawing();
+            ClearBackground(Color.RAYWHITE);
+
+            DrawTexture(scarfy, 15, 40, Color.WHITE);
+            DrawRectangleLines(15, 40, scarfy.Width, scarfy.Height, Color.LIME);
+            DrawRectangleLines(
+                15 + (int)frameRec.X,
+                40 + (int)frameRec.Y,
+                (int)frameRec.Width,
+                (int)frameRec.Height,
+                Color.RED
+            );
+
+            DrawText("FRAME SPEED: ", 165, 210, 10, Color.DARKGRAY);
+            DrawText($"{framesSpeed:2F} FPS", 575, 210, 10, Color.DARKGRAY);
+            DrawText("PRESS RIGHT/LEFT KEYS to CHANGE SPEED!", 290, 240, 10, Color.DARKGRAY);
+
+            for (int i = 0; i < MaxFrameSpeed; i++)
+            {
+                if (i < framesSpeed)
+                {
+                    DrawRectangle(250 + 21 * i, 205, 20, 20, Color.RED);
+                }
+                DrawRectangleLines(250 + 21 * i, 205, 20, 20, Color.MAROON);
+            }
+
+            // Draw part of the texture
+            DrawTextureRec(scarfy, frameRec, position, Color.WHITE);
+            DrawText("(c) Scarfy sprite by Eiden Marsal", screenWidth - 200, screenHeight - 20, 10, Color.GRAY);
+
+            EndDrawing();
+            //----------------------------------------------------------------------------------
+        }
+
+        // De-Initialization
+        //--------------------------------------------------------------------------------------
+        UnloadTexture(scarfy);
+
+        CloseWindow();
+        //--------------------------------------------------------------------------------------
+
+        return 0;
+    }
+}