// ShaderTypes.h
// Shared between Metal shaders and Swift via bridging header.

#pragma once

#include <simd/simd.h>

typedef struct {
    simd_float4x4 modelMatrix;
    simd_float4x4 viewMatrix;
    simd_float4x4 projectionMatrix;
    simd_float4x4 normalMatrix;
} Uniforms;

typedef struct {
    simd_float3 position;
    simd_float3 normal;
    simd_float4 color;
} VertexIn;

typedef struct {
    simd_float3 cameraPosition;
    simd_float3 lightDirection;
    float       ambientIntensity;
    float       diffuseIntensity;
    float       time;
    float       _pad;
} SceneConstants;

typedef struct {
    simd_float4 color;
    float       gridSpacing;
    float       gridLineWidth;
    float       gridFadeDistance;
    float       _pad;
} GridConstants;