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#include "Renderer2d.h"
#include "mathlib.h"
#include "types.h"
struct TreeShapeLoadResult;
struct LeafParticleLoadData {
Vector2 initPosition;
Vector4 initColor;
int numLeaves = 48;
};
struct LeafParticleUpdateData {
bool canFall = false;
Renderer2dVertex* vertexToFollow = NULL;
Vector4 color = Vector4(1.f, 0.f, 0.f, 0.f);
float32 scale = 1.f;
float32 timeFallingSeconds = 0.f;
bool isFalling = false;
int32 fallChance = -1;
Vector2 fallPosition;
float32 fallVerticalVelocity;
float32 fallHorizontalFrequency;
bool onGround = false;
Renderer2dVertex* vertexPtr = NULL;
};
struct LeafParticleRender {
float32 elapsedTimeSeconds = 0.5;
float32 fallIntervalSeconds = 1.f;
// Update data
int32 numLeaves = 0;
LeafParticleUpdateData* updateData = NULL;
Renderer2dVertex* vertices = NULL;
// Render data
uint32 vao;
uint32 vbo;
uint32 numVertices = 0;
Mat4x4 model;
void load(Renderer2d* renderer, TreeShapeLoadResult* lr);
void update(float32 dtSeconds);
void render(Renderer2d* renderer);
void unload();
};
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