chore: clean recommit
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tiger tiger tiger
parent
6bb62d9932
commit
8739e3b347
134 changed files with 15442 additions and 10648 deletions
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@ -1,11 +1,15 @@
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/*******************************************************************************************
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*
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* raylib example - particles blending
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* raylib [textures] example - particles blending
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*
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* This example has been created using raylib 1.7 (www.raylib.com)
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* raylib is licensed under an unmodified zlib/libpng license (View raylib.h for details)
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* Example complexity rating: [★☆☆☆] 1/4
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*
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* Copyright (c) 2017 Ramon Santamaria (@raysan5)
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* Example originally created with raylib 1.7, last time updated with raylib 3.5
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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) 2017-2025 Ramon Santamaria (@raysan5)
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*
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********************************************************************************************/
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@ -14,12 +18,19 @@ using static Raylib_cs.Raylib;
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namespace Examples.Textures;
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public class ParticlesBlending
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public partial class ParticlesBlending : IExample
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{
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private const int screenWidth = 800;
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private const int screenHeight = 450;
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public const int MaxParticles = 200;
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public string Name => "Textures / Particles Blending";
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public string Title => "raylib [textures] example - particles blending";
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// Particle structure with basic data
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struct Particle
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private struct Particle
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{
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public Vector2 Position;
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public Color Color;
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@ -30,20 +41,18 @@ public class ParticlesBlending
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public bool Active;
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}
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public static int Main()
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private Particle[] mouseTail;
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private float gravity;
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private Texture2D smoke;
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private BlendMode blending;
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public void Init()
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{
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// Initialization
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//--------------------------------------------------------------------------------------
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const int screenWidth = 800;
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const int screenHeight = 450;
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InitWindow(screenWidth, screenHeight, "raylib [textures] example - particles blending");
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// Particles pool, reuse them!
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Particle[] mouseTail = new Particle[MaxParticles];
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mouseTail = new Particle[MaxParticles];
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// Initialize particles
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for (int i = 0; i < mouseTail.Length; i++)
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for (var i = 0; i < mouseTail.Length; i++)
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{
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mouseTail[i].Position = new Vector2(0, 0);
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mouseTail[i].Color = new Color(
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@ -58,113 +67,133 @@ public class ParticlesBlending
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mouseTail[i].Active = false;
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}
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float gravity = 3.0f;
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Texture2D smoke = LoadTexture("resources/spark_flame.png");
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BlendMode blending = BlendMode.Alpha;
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gravity = 3.0f;
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smoke = LoadTexture("resources/spark_flame.png");
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blending = BlendMode.Alpha;
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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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// Activate one particle every frame and Update active particles
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// NOTE: Particles initial position should be mouse position when activated
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// NOTE: Particles fall down with gravity and rotation... and disappear after 2 seconds (alpha = 0)
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// NOTE: When a particle disappears, active = false and it can be reused
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for (var i = 0; i < mouseTail.Length; i++)
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{
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if (!mouseTail[i].Active)
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{
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mouseTail[i].Active = true;
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mouseTail[i].Alpha = 1.0f;
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mouseTail[i].Position = GetMousePosition();
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i = mouseTail.Length;
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}
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}
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for (var i = 0; i < mouseTail.Length; i++)
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{
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if (mouseTail[i].Active)
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{
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mouseTail[i].Position.Y += gravity / 2;
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mouseTail[i].Alpha -= 0.005f;
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if (mouseTail[i].Alpha <= 0.0f)
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{
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mouseTail[i].Active = false;
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}
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mouseTail[i].Rotation += 2.0f;
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}
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}
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if (IsKeyPressed(KeyboardKey.Space))
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{
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if (blending == BlendMode.Alpha)
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{
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blending = BlendMode.Additive;
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}
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else
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{
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blending = BlendMode.Alpha;
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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.DarkGray);
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BeginBlendMode(blending);
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// Draw active particles
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for (var i = 0; i < mouseTail.Length; i++)
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{
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if (mouseTail[i].Active)
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{
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Rectangle source = new(0, 0, smoke.Width, smoke.Height);
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Rectangle dest = new(
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mouseTail[i].Position.X,
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mouseTail[i].Position.Y,
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smoke.Width * mouseTail[i].Size,
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smoke.Height * mouseTail[i].Size
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);
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Vector2 position = new(
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smoke.Width * mouseTail[i].Size / 2,
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smoke.Height * mouseTail[i].Size / 2
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);
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var color = Fade(mouseTail[i].Color, mouseTail[i].Alpha);
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DrawTexturePro(smoke, source, dest, position, mouseTail[i].Rotation, color);
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}
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}
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EndBlendMode();
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DrawText("PRESS SPACE to CHANGE BLENDING MODE", 180, 20, 20, Color.Black);
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if (blending == BlendMode.Alpha)
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{
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DrawText("ALPHA BLENDING", 290, screenHeight - 40, 20, Color.Black);
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}
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else
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{
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DrawText("ADDITIVE BLENDING", 280, screenHeight - 40, 20, Color.RayWhite);
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}
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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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UnloadTexture(smoke);
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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 [textures] example - particles blending");
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SetTargetFPS(60);
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//--------------------------------------------------------------------------------------
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var game = new ParticlesBlending();
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game.Init();
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// Main game loop
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while (!WindowShouldClose())
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while (!WindowShouldClose()) // Detect window close button or ESC key
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{
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// Update
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//----------------------------------------------------------------------------------
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// Activate one particle every frame and Update active particles
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// NOTE: Particles initial position should be mouse position when activated
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// NOTE: Particles fall down with gravity and rotation... and disappear after 2 seconds (alpha = 0)
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// NOTE: When a particle disappears, active = false and it can be reused.
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for (int i = 0; i < mouseTail.Length; i++)
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{
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if (!mouseTail[i].Active)
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{
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mouseTail[i].Active = true;
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mouseTail[i].Alpha = 1.0f;
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mouseTail[i].Position = GetMousePosition();
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i = mouseTail.Length;
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}
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}
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for (int i = 0; i < mouseTail.Length; i++)
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{
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if (mouseTail[i].Active)
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{
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mouseTail[i].Position.Y += gravity / 2;
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mouseTail[i].Alpha -= 0.005f;
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if (mouseTail[i].Alpha <= 0.0f)
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{
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mouseTail[i].Active = false;
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}
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mouseTail[i].Rotation += 2.0f;
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}
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}
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if (IsKeyPressed(KeyboardKey.Space))
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{
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if (blending == BlendMode.Alpha)
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{
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blending = BlendMode.Additive;
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}
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else
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{
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blending = BlendMode.Alpha;
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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.DarkGray);
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BeginBlendMode(blending);
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// Draw active particles
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for (int i = 0; i < mouseTail.Length; i++)
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{
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if (mouseTail[i].Active)
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{
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Rectangle source = new(0, 0, smoke.Width, smoke.Height);
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Rectangle dest = new(
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mouseTail[i].Position.X,
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mouseTail[i].Position.Y,
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smoke.Width * mouseTail[i].Size,
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smoke.Height * mouseTail[i].Size
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);
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Vector2 position = new(
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smoke.Width * mouseTail[i].Size / 2,
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smoke.Height * mouseTail[i].Size / 2
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);
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Color color = ColorAlpha(mouseTail[i].Color, mouseTail[i].Alpha);
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DrawTexturePro(smoke, source, dest, position, mouseTail[i].Rotation, color);
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}
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}
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EndBlendMode();
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DrawText("PRESS SPACE to CHANGE BLENDING MODE", 180, 20, 20, Color.Black);
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if (blending == BlendMode.Alpha)
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{
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DrawText("ALPHA BLENDING", 290, screenHeight - 40, 20, Color.Black);
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}
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else
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{
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DrawText("ADDITIVE BLENDING", 280, screenHeight - 40, 20, Color.RayWhite);
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}
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EndDrawing();
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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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UnloadTexture(smoke);
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CloseWindow();
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CloseWindow(); // Close window and OpenGL context
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//--------------------------------------------------------------------------------------
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return 0;
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