@:directlyUsed@:src({
@global var camera:{ var position : Vec3; @var
var dir : Vec3};
@global var global:{ @perObject
var modelView : Mat4};
@input var input:{ var normal : Vec3; var tangent : Vec3};
@param var texture:Sampler2D;
var calculatedUV:Vec2;
var transformedPosition:Vec3;
var transformedNormal:Vec3;
@var var transformedTangent:Vec4;
function __init__vertex() {
transformedTangent = vec4(input.tangent * global.modelView.mat3(), input.tangent.dot(input.tangent) > 0.5 ? 1. : -1.);
};
function fragment() {
var n = transformedNormal;
var nf = unpackNormal(texture.get(calculatedUV));
var tanX = transformedTangent.xyz.normalize();
var tanY = n.cross(tanX) * -transformedTangent.w;
transformedNormal = (nf.x * tanX + nf.y * tanY + nf.z * n).normalize();
};
})@:build(hxsl.Macros.buildShader())@:autoBuild(hxsl.Macros.buildShader())
