bgfx/examples/14-shadowvolumes/vs_shadowvolume_svside.sc
Branimir Karadžić 4bb2b623d3 Happy New Year!
2016-01-01 00:11:04 -08:00

28 lines
626 B
Scala

$input a_position, a_texcoord0
$output v_k
/*
* Copyright 2013-2014 Dario Manesku. All rights reserved.
* License: https://github.com/bkaradzic/bgfx#license-bsd-2-clause
*/
#include "../common/common.sh"
uniform vec4 u_virtualLightPos_extrusionDist;
#define u_virtualLightPos u_virtualLightPos_extrusionDist.xyz
#define u_extrusionDistance u_virtualLightPos_extrusionDist.w
void main()
{
vec3 pos = a_position;
if (a_texcoord0.x == 1.0)
{
vec3 toLight = pos - u_virtualLightPos;
pos += normalize(toLight) * u_extrusionDistance;
}
gl_Position = mul(u_modelViewProj, vec4(pos, 1.0));
v_k = a_texcoord0.y;
}