{
    "name" : "assets",
    "resources" :
    [
        {
            "name": "mesh_shader",
            "type": "shader",
            "path": "shaders/mesh.shad"
        },
        {
            "name": "sprite_shader",
            "type": "shader",
            "path": "shaders/sprite.shad"
        }
    ]
}

{
    "vertex_path": "mesh.vert",
    "fragment_path": "mesh.frag",
    "attributes":
    [
        {
            "name": "position",
            "index": 0
        },
        {
            "name": "normal",
            "index": 1
        },
        {
            "name": "texCoord",
            "index": 2
        }
    ]
}
#version 300 es

layout(location=0) in vec4 position; //will be compatible with vec2 and vec3 attributes. extended to vec4: (0, 0, 0, 1) for missing components
layout(location=1) in vec2 texCoord;
layout(location=2) in vec4 color;

uniform mat4 viewProjection;

out vec2 vTex;
out vec4 vColor;

void main()
{
    gl_Position = viewProjection * position;
    vTex = texCoord;
    vColor = color;
}
#version 300 es

layout(location=0) in vec4 position; //will be compatible with vec2 and vec3 attributes. extended to vec4: (0, 0, 0, 1) for missing components
layout(location=1) in vec3 normal;
layout(location=2) in vec2 texCoord;
layout(location=3) in uint textureLayer;

uniform mat4 viewProjection;

out vec3 fragmentNormal;
out vec2 fragmentTexCoord;
flat out uint layer;

void main()
{
    gl_Position = viewProjection * position;
    fragmentNormal = normal;
    fragmentTexCoord = texCoord;
    layer = textureLayer;
}
#version 300 es

precision mediump float;
precision mediump sampler2DArray;

in vec3 fragmentNormal;
in vec2 fragmentTexCoord;
flat in uint layer;

uniform sampler2DArray arrayTexture;
uniform vec3 sunDirection;

out vec4 outColor;

vec3 surfaceAmbient = vec3(0.7, 0.7, 0.7);
vec3 sunAmbient = vec3(0.7, 0.7, 0.7);
vec3 surfaceDiffuse = vec3(1.0, 1.0, 1.0);
vec3 sunDiffuse = vec3(1.0, 1.0, 1.0);

void main()
{
    vec3 ambientColor = surfaceAmbient * sunAmbient;
    float lightAngleFactor = max(0.0, dot(fragmentNormal, sunDirection));
    vec3 diffuseColor = surfaceDiffuse * sunDiffuse * lightAngleFactor;
    vec3 finalColor = ambientColor + diffuseColor;
    vec4 textureColor = texture(arrayTexture, vec3(fragmentTexCoord, layer));
    outColor = vec4(finalColor, 1.0) * textureColor;
}
#version 300 es

precision mediump float;

uniform sampler2D uTexture;

in vec2 vTex;
in vec4 vColor;

out vec4 outColor;

void main()
{
    outColor = texture(uTexture, vTex) * vColor;
}
{
    "vertex_path": "sprite.vert",
    "fragment_path": "sprite.frag",
    "attributes":
    [
        {
            "name": "position",
            "index": 0
        },
        {
            "name": "texCoord",
            "index": 1
        },
        {
            "name": "color",
            "index": 2
        }
    ]
}