From: Brendan Hansen <brendan.f.hansen@gmail.com>
Date: Mon, 26 Apr 2021 15:25:36 +0000 (-0500)
Subject: starting work on particle system simulation
X-Git-Url: https://git.brendanfh.com/?a=commitdiff_plain;h=02c6802f86149a3e67482979b7008f4d9921737e;p=sand-toy.git

starting work on particle system simulation
---

diff --git a/build.sh b/build.sh
old mode 100644
new mode 100755
diff --git a/site/sand_toy.wasm b/site/sand_toy.wasm
index 9685ec0..1a9832b 100644
Binary files a/site/sand_toy.wasm and b/site/sand_toy.wasm differ
diff --git a/src/simulation.onyx b/src/simulation.onyx
index 577b047..89ddba6 100644
--- a/src/simulation.onyx
+++ b/src/simulation.onyx
@@ -1,4 +1,14 @@
 
+Vec2 :: struct {
+    zero :: Vec2.{ 0, 0 };
+
+    x, y: f32;
+}
+
+ParticleBoard :: struct {
+    particles: [] Particle;
+    width, height: u32;
+}
 
 Particle :: struct {
     Type :: enum {
@@ -7,4 +17,11 @@ Particle :: struct {
     }
 
     type: Type = .Empty;
+    velocity: Vec2 = .zero;
+}
+
+init_particles :: (particles: [] Particle) {
+    for ^particle: particles {
+        *particle = .{ .Sand };
+    }
 }