From 1d47e3aa120539e053ffa41293f3f756b9d07844 Mon Sep 17 00:00:00 2001
From: mattkae <mattkae@protonmail.com>
Date: Sun, 16 Jan 2022 18:32:50 -0500
Subject: Successful beginnings of the winter theme

---
 themes/Snowflake.h | 46 ++++++++++++++++++++++++++++++----------------
 1 file changed, 30 insertions(+), 16 deletions(-)

(limited to 'themes/Snowflake.h')

diff --git a/themes/Snowflake.h b/themes/Snowflake.h
index 09b05db..08f1c0c 100644
--- a/themes/Snowflake.h
+++ b/themes/Snowflake.h
@@ -1,36 +1,50 @@
 #include "types.h"
 #include "mathlib.h"
+#include "List.h"
 
 struct Renderer2d;
-struct SnowflakeUpdateData;
-struct SnowflakeRenderData;
+struct Renderer2dVertex;
 
 struct SnowflakeLoadParameters {
-	int32 maxSnowflakes = 10000;
+	int32 maxSnowflakes = 1000;
+	int32 initialSnowflakeCount = 100;
 	float32 rateOfSnowfall = 0.1f;
-    Vector3 flakeV0 = { 0, 1, 0 };
+    Vector2 flakeV0 = { 0, 1 };
 	float32 flakeSize = 5.f;
 	float32 flakeSizeDeviation = 1.f;
 	Vector4 snowColor = { 0.8, 0.8, 0.8, 1.0 };
+	float32 spawnIntervalSeconds = 0.3;
+};
+
+struct SnowflakeUpdateData {
+	Vector2 v0;
+	Vector2 velocity;
+	Vector2 position;
+	float32 rotation;
+	bool onGround = false;
+
+	int32 vtxIdx = 0;
+	int32 numVertices = 0;
 };
 
 struct SnowflakeParticleRenderer {
-	int32 activeIndex = 0;
+	float32 xMax = 0;
+	float32 yMax = 0;
+	float32 spawnIntervalSeconds = 0.3;
+	int32 startIndex = 0;
+	int32 endIndex = 0;
+	int32 numSnowflakes = 0;
     Vector3 windSpeed = { 0, 0, 0 };
 	SnowflakeUpdateData* updateData;
-	SnowflakeRenderData* renderData;
+	float32 timeUntilNextSpawnSeconds = 0;;
+
+	uint32 vao;
+	uint32 vbo;
+	Mat4x4 model;
+	List<Renderer2dVertex> vertices;
 	
-	void load(SnowflakeLoadParameters params, Renderer2d* renderer);o
+	void load(SnowflakeLoadParameters params, Renderer2d* renderer);
 	void update(float32 dtSeconds);
 	void render(Renderer2d* renderer);
 	void unload();
 };
-
-struct SnowflakeUpdateData {
-	Vector3 velocity;
-	Vector3 position;
-};
-
-struct SnowflakeRenderData {
-	
-};
-- 
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