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use na::*;
use color::{Rgba,ToRgba};
use glin;

#[cfg(not(target_os = "emscripten"))]
#[derive(Clone,Copy,Debug,VertexFormat)]
#[repr(C)]
pub struct Vertex2D{
    pub position: Vec2,
}

#[cfg(target_os = "emscripten")]
#[derive(Clone,Copy,Debug,VertexFormat)]
pub struct Vertex2D{
    pub position: Vec2,
}

pub fn vertex2d(position: Vec2) -> Vertex2D{
    Vertex2D{position: position}
}

impl Default for Vertex2D{
    fn default() -> Vertex2D{
        vertex2d(vec2!(0.))
    }
}

#[cfg(not(target_os = "emscripten"))]
#[derive(Clone,Copy,Debug,VertexFormat)]
#[repr(C)]
pub struct Vertex3D{
    pub position: Vec3,
}

#[cfg(target_os = "emscripten")]
#[derive(Clone,Copy,Debug,VertexFormat)]
pub struct Vertex3D{
    pub position: Vec3,
}

pub fn vertex3d(position: Vec3) -> Vertex3D{
    Vertex3D{position: position}
}

impl Default for Vertex3D{
    fn default() -> Vertex3D{
        vertex3d(vec3!(0.))
    }
}

#[cfg(not(target_os = "emscripten"))]
#[derive(Clone,Copy,Debug,VertexFormat)]
#[repr(C)]
pub struct Vertex2DTex{
    pub position: Vec2,
    pub texcoord: Vec2
}

#[cfg(target_os = "emscripten")]
#[derive(Clone,Copy,Debug,VertexFormat)]
pub struct Vertex2DTex{
    pub position: Vec2,
    pub texcoord: Vec2
}

pub fn vertex2dtex(position: Vec2, texcoord: Vec2) -> Vertex2DTex{
    Vertex2DTex{position: position, texcoord: texcoord}
}

impl Default for Vertex2DTex{
    fn default() -> Vertex2DTex{
        vertex2dtex(vec2!(0.), vec2!(0.))
    }
}

#[cfg(not(target_os = "emscripten"))]
#[derive(Clone,Copy,Debug,VertexFormat)]
#[repr(C)]
pub struct Vertex2DTex3D{
    pub position: Vec2,
    pub texcoord: Vec3
}

#[cfg(target_os = "emscripten")]
#[derive(Clone,Copy,Debug,VertexFormat)]
pub struct Vertex2DText3D{
    pub position: Vec2,
    pub texcoord: Vec3
}

pub fn vertex2dtex3d(position: Vec2, texcoord: Vec3) -> Vertex2DTex3D{
    Vertex2DTex3D{position: position, texcoord: texcoord}
}

impl Default for Vertex2DTex3D{
    fn default() -> Vertex2DTex3D{
        vertex2dtex3d(vec2!(0.), vec3!(0.))
    }
}

#[cfg(not(target_os = "emscripten"))]
#[derive(Clone,Copy,Debug,VertexFormat)]
#[repr(C)]
pub struct Vertex2DColor{
    pub position: Vec2,
    pub color: Rgba<f32>,
}

#[cfg(target_os = "emscripten")]
#[derive(Clone,Copy,Debug,VertexFormat)]
pub struct Vertex2DColor{
    pub position: Vec2,
    pub color: Rgba<f32>,
}

pub fn vertex2dcolor<C: ToRgba>(position: Vec2, color: &C) -> Vertex2DColor{
    Vertex2DColor{position: position, color: color.to_rgba()}
}

impl Default for Vertex2DColor{
    fn default() -> Vertex2DColor{
        vertex2dcolor(vec2!(0.), &rgba!(1.,1.,1.,1.))
    }
}

#[cfg(not(target_os = "emscripten"))]
#[derive(Clone,Copy,Debug,VertexFormat)]
#[repr(C)]
pub struct Vertex2DTexColor{
    pub position: Vec2,
    pub texcoord: Vec2,
    pub color: Rgba<f32>
}

#[cfg(target_os = "emscripten")]
#[derive(Clone,Copy,Debug,VertexFormat)]
pub struct Vertex2DTexColor{
    pub position: Vec2,
    pub texcoord: Vec2,
    pub color: Rgba<f32>
}

pub fn vertex2dtexcolor<C: ToRgba>(position: Vec2, texcoord: Vec2, color: &C) -> Vertex2DTexColor{
    Vertex2DTexColor{position: position, texcoord: texcoord, color: color.to_rgba()}
}

impl Default for Vertex2DTexColor{
    fn default() -> Vertex2DTexColor{
        vertex2dtexcolor(vec2!(0.), vec2!(0.), &rgba!(1.,1.,1.,1.))
    }
}

#[cfg(not(target_os = "emscripten"))]
#[derive(Clone,Copy,Debug,VertexFormat)]
#[repr(C)]
pub struct Vertex3DTex{
    pub position: Vec3,
    pub texcoord: Vec2,
    pub pad: Vec3
}

#[cfg(target_os = "emscripten")]
#[derive(Clone,Copy,Debug,VertexFormat)]
pub struct Vertex3DTex{
    pub position: Vec3,
    pub texcoord: Vec2,
    pub pad: Vec3
}

pub fn vertex3dtex(position: Vec3, texcoord: Vec2) -> Vertex3DTex{
    Vertex3DTex{position: position, texcoord: texcoord, pad: zero()}
}

impl Default for Vertex3DTex{
    fn default() -> Vertex3DTex{
        vertex3dtex(vec3!(0.), vec2!(0.))
    }
}

#[cfg(not(target_os = "emscripten"))]
#[derive(Clone,Copy,Debug,VertexFormat)]
#[repr(C)]
pub struct Vertex3DColor{
    pub position: Vec3,
    pub color: Rgba<f32>,
    pub pad: f32
}

#[cfg(target_os = "emscripten")]
#[derive(Clone,Copy,Debug,VertexFormat)]
pub struct Vertex3DColor{
    pub position: Vec3,
    pub color: Rgba<f32>,
    pub pad: f32
}

pub fn vertex3dcolor<C: ToRgba>(position: Vec3, color: &C) -> Vertex3DColor{
    Vertex3DColor{position: position, color: color.to_rgba(), pad: 0f32}
}

impl Default for Vertex3DColor{
    fn default() -> Vertex3DColor{
        vertex3dcolor(vec3!(0.), &rgba!(1.,1.,1.,1.))
    }
}

#[cfg(not(target_os = "emscripten"))]
#[derive(Clone,Copy,Debug,VertexFormat)]
#[repr(C)]
pub struct Vertex3DTexNormal{
    pub position: Vec3,
    pub texcoord: Vec2,
    pub normal: Vec3
}

#[cfg(target_os = "emscripten")]
#[derive(Clone,Copy,Debug,VertexFormat)]
pub struct Vertex3DTexNormal{
    pub position: Vec3,
    pub texcoord: Vec2,
    pub normal: Vec3
}

pub fn vertex3dtexnormal(position: Vec3, texcoord: Vec2, normal: Vec3) -> Vertex3DTexNormal{
    Vertex3DTexNormal{position: position, texcoord: texcoord, normal: normal}
}

impl Default for Vertex3DTexNormal{
    fn default() -> Vertex3DTexNormal{
        vertex3dtexnormal(vec3!(0.), vec2!(0.), vec3!(0.))
    }
}

#[cfg(not(target_os = "emscripten"))]
#[derive(Clone,Copy,Debug,VertexFormat)]
#[repr(C)]
pub struct Vertex3DNormal{
    pub position: Vec3,
    pub normal: Vec3,
}

#[cfg(target_os = "emscripten")]
#[derive(Clone,Copy,Debug,VertexFormat)]
pub struct Vertex3DNormal{
    pub position: Vec3,
    pub normal: Vec3,
}

pub fn vertex3dnormal(position: Vec3, normal: Vec3) -> Vertex3DNormal{
    Vertex3DNormal{position: position, normal: normal }
}

impl Default for Vertex3DNormal{
    fn default() -> Vertex3DNormal{
        vertex3dnormal(vec3!(0.), vec3!(0.))
    }
}

#[cfg(not(target_os = "emscripten"))]
#[derive(Clone,Copy,Debug,VertexFormat)]
#[repr(C)]
pub struct Vertex3DColorNormal{
    pub position: Vec3,
    pub color: Rgba<f32>,
    pub normal: Vec3,
    pub pad: [f32;6]
}

#[cfg(target_os = "emscripten")]
#[derive(Clone,Copy,Debug,VertexFormat)]
pub struct Vertex3DColorNormal{
    pub position: Vec3,
    pub color: Rgba<f32>,
    pub normal: Vec3,
    pub pad: [f32;6]
}

pub fn vertex3dcolornormal<C: ToRgba>(position: Vec3, color: &C, normal: Vec3) -> Vertex3DColorNormal{
    Vertex3DColorNormal{position: position, color: color.to_rgba(), normal: normal, pad: [0f32;6]}
}

impl Default for Vertex3DColorNormal{
    fn default() -> Vertex3DColorNormal{
        vertex3dcolornormal(vec3!(0.), &rgba!(1.,1.,1.,1.), vec3!(0.))
    }
}

#[cfg(not(target_os = "emscripten"))]
#[derive(Clone,Copy,Debug,VertexFormat)]
#[repr(C)]
pub struct Vertex3DTexColor{
    pub position: Vec3,
    pub texcoord: Vec2,
    pub color: Rgba<f32>,
    pub pad: [f32;7]
}

#[cfg(target_os = "emscripten")]
#[derive(Clone,Copy,Debug,VertexFormat)]
pub struct Vertex3DTexColor{
    pub position: Vec3,
    pub texcoord: Vec2,
    pub color: Rgba<f32>,
    pub pad: [f32;7]
}

pub fn vertex3dtexcolor<C: ToRgba>(position: Vec3, texcoord: Vec2, color: &C) -> Vertex3DTexColor{
    Vertex3DTexColor{position: position, color: color.to_rgba(), texcoord: texcoord, pad: [0f32;7]}
}

impl Default for Vertex3DTexColor{
    fn default() -> Vertex3DTexColor{
        vertex3dtexcolor(vec3!(0.), vec2!(0.), &rgba!(1.,1.,1.,1.))
    }
}