From 7228b2e1a2d0a8399facce3493d71a3569d250d5 Mon Sep 17 00:00:00 2001
From: mattkae <mattkae@protonmail.com>
Date: Fri, 23 Dec 2022 12:47:10 -0500
Subject: Improved the makefile considerably

---
 themes/src/Snowflake.h | 47 +++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 47 insertions(+)
 create mode 100644 themes/src/Snowflake.h

(limited to 'themes/src/Snowflake.h')

diff --git a/themes/src/Snowflake.h b/themes/src/Snowflake.h
new file mode 100644
index 0000000..c6323d6
--- /dev/null
+++ b/themes/src/Snowflake.h
@@ -0,0 +1,47 @@
+#include "types.h"
+#include "mathlib.h"
+#include "list.h"
+
+struct Renderer2d;
+struct Vertex2D;
+
+struct SnowflakeLoadParameters {
+	i32 numSnowflakes = 1000;
+	f32 rateOfSnowfall = 0.1f;
+    Vector2 flakeV0 = { 0, 1 };
+	f32 flakeSize = 5.f;
+	f32 flakeSizeDeviation = 1.f;
+	Vector4 snowColor = { 0.8, 0.8, 0.8, 1.0 };
+	f32 windIntervalSeconds = 1.5;
+};
+
+struct SnowflakeUpdateData {
+	Vector2 v0;
+	Vector2 velocity;
+	Vector2 position;
+	f32 rotation;
+	bool onGround = false;
+
+	i32 vtxIdx = 0;
+	i32 numVertices = 0;
+};
+
+struct SnowflakeParticleRenderer {
+	f32 xMax = 0;
+	f32 yMax = 0;
+	f32 windIntervalSeconds = 1.5;
+	i32 numSnowflakes = 0;
+    Vector2 windSpeed;
+	SnowflakeUpdateData* updateData;
+	f32 timeUntilNextWindSeconds = 0;
+
+	u32 vao;
+	u32 vbo;
+	Mat4x4 model;
+	matte::List<Vertex2D> vertices;
+	
+	void load(SnowflakeLoadParameters params, Renderer2d* renderer);
+	void update(f32 dtSeconds);
+	void render(Renderer2d* renderer);
+	void unload();
+};
-- 
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