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

Examples/Textures/SpriteExplosion.cs

@@ -0,0 +1,132 @@
+/*******************************************************************************************
+*
+*   raylib [textures] example - sprite explosion
+*
+*   This example has been created using raylib 2.5 (www.raylib.com)
+*   raylib is licensed under an unmodified zlib/libpng license (View raylib.h for details)
+*
+*   Copyright (c) 2019 Anata and Ramon Santamaria (@raysan5)
+*
+********************************************************************************************/
+
+using System.Numerics;
+using static Raylib_cs.Raylib;
+
+namespace Examples.Textures;
+
+public class SpriteExplosion
+{
+    const int NumFramesPerLine = 5;
+    const int NumLines = 5;
+
+    public static int Main()
+    {
+        // Initialization
+        //--------------------------------------------------------------------------------------
+        const int screenWidth = 800;
+        const int screenHeight = 450;
+
+        InitWindow(screenWidth, screenHeight, "raylib [textures] example - sprite explosion");
+        InitAudioDevice();
+
+        // Load explosion sound
+        Sound fxBoom = LoadSound("resources/audio/boom.wav");
+
+        // Load explosion texture
+        Texture2D explosion = LoadTexture("resources/explosion.png");
+
+        // Init variables for animation
+
+        // Sprite one frame rectangle width
+        int frameWidth = explosion.Width / NumFramesPerLine;
+
+        // Sprite one frame rectangle height
+        int frameHeight = explosion.Height / NumLines;
+
+        int currentFrame = 0;
+        int currentLine = 0;
+
+        Rectangle frameRec = new(0, 0, frameWidth, frameHeight);
+        Vector2 position = new(0.0f, 0.0f);
+
+        bool active = false;
+        int framesCounter = 0;
+
+        SetTargetFPS(120);
+        //--------------------------------------------------------------------------------------
+
+        // Main game loop
+        while (!WindowShouldClose())
+        {
+            // Update
+            //----------------------------------------------------------------------------------
+
+            // Check for mouse button pressed and activate explosion (if not active)
+            if (IsMouseButtonPressed(MouseButton.MOUSE_LEFT_BUTTON) && !active)
+            {
+                position = GetMousePosition();
+                active = true;
+
+                position.X -= frameWidth / 2;
+                position.Y -= frameHeight / 2;
+
+                PlaySound(fxBoom);
+            }
+
+            // Compute explosion animation frames
+            if (active)
+            {
+                framesCounter++;
+
+                if (framesCounter > 2)
+                {
+                    currentFrame++;
+
+                    if (currentFrame >= NumFramesPerLine)
+                    {
+                        currentFrame = 0;
+                        currentLine++;
+
+                        if (currentLine >= NumLines)
+                        {
+                            currentLine = 0;
+                            active = false;
+                        }
+                    }
+
+                    framesCounter = 0;
+                }
+            }
+
+            frameRec.X = frameWidth * currentFrame;
+            frameRec.Y = frameHeight * currentLine;
+            //----------------------------------------------------------------------------------
+
+            // Draw
+            //----------------------------------------------------------------------------------
+            BeginDrawing();
+            ClearBackground(Color.RAYWHITE);
+
+            // Draw explosion required frame rectangle
+            if (active)
+            {
+                DrawTextureRec(explosion, frameRec, position, Color.WHITE);
+            }
+
+            EndDrawing();
+            //----------------------------------------------------------------------------------
+        }
+
+        // De-Initialization
+        //--------------------------------------------------------------------------------------
+        UnloadTexture(explosion);
+        UnloadSound(fxBoom);
+
+        CloseAudioDevice();
+
+        CloseWindow();
+        //--------------------------------------------------------------------------------------
+
+        return 0;
+    }
+}