#version 150

in vec4 vertex;
in vec4 normal;
in vec4 uv0;
in vec4 uv1; // pose1
in vec4 uv2; // pose2

out vec2 oUv;
out vec4 colour;

uniform mat4 worldViewProj;
uniform vec4 anim_t;

// hardware pose animation (no normals)
void main()
{
    // interpolate
    vec4 interp = vec4(vertex.xyz + anim_t.x * uv1.xyz + anim_t.y * uv2.xyz, 1.0);

    gl_Position = worldViewProj * interp;
    oUv = uv0.xy;
    colour = vec4(1.0, 0.0, 0.0, 1.0);
}