From 23301801e77cbf283b155c7445de579edb21fead Mon Sep 17 00:00:00 2001
From: Jason Hilder <jhilder95@gmail.com>
Date: Mon, 28 Sep 2026 08:04:09 +0200
Subject: [PATCH] Very simple particle system.

---
 src/particle_manager.odin | 40 +++++++++++++++++++++++++++++++++++++++
 1 file changed, 40 insertions(+)
 create mode 100644 src/particle_manager.odin

diff --git a/src/particle_manager.odin b/src/particle_manager.odin
new file mode 100644
index 0000000..cba2df6
--- /dev/null
+++ b/src/particle_manager.odin
@@ -0,0 +1,40 @@
+package game
+
+import rl "vendor:raylib"
+
+Particle :: struct {
+	pos:   rl.Vector2,
+	vel:   rl.Vector2,
+	color: rl.Color,
+	life:  f32,
+	max_life: f32,
+	size:  f32
+}
+
+update_particles :: proc(particles: ^[dynamic]Particle, dt: f32) {
+	#reverse for &p, i in particles {
+		p.life -= dt	
+		if p.life <= 0 {
+			unordered_remove(particles, i)
+			continue
+		}
+
+		// update live particles
+		p.pos += p.vel * dt
+
+		// times the velocitt so we can slow it down over time
+		p.vel *= 0.92 
+	}	
+}
+
+render_particles :: proc(particles: [dynamic]Particle) {
+	rl.BeginBlendMode(.ADDITIVE)
+
+	for p in particles {
+		alpha := u8(255 * (p.life / p.max_life))
+		col := rl.Color{p.color.r, p.color.g, p.color.b, alpha}
+		rl.DrawRectangleV(p.pos, {p.size, p.size}, col)
+	}
+
+	rl.EndBlendMode()
+}
\ No newline at end of file