overte/interface/resources/shaders/metavoxel_voxel_cursor.vert

25 lines
767 B
GLSL

#version 120
//
// metavoxel_voxel_cursor.vert
// vertex shader
//
// Created by Andrzej Kapolka on 10/10/14.
// Copyright 2014 High Fidelity, Inc.
//
// Distributed under the Apache License, Version 2.0.
// See the accompanying file LICENSE or http://www.apache.org/licenses/LICENSE-2.0.html
//
void main(void) {
// compute the view space coordinates
vec4 viewPosition = gl_ModelViewMatrix * gl_Vertex;
gl_Position = gl_ProjectionMatrix * viewPosition;
// generate the texture coordinates from the view position
gl_TexCoord[0] = vec4(dot(viewPosition, gl_EyePlaneS[4]), dot(viewPosition, gl_EyePlaneT[4]),
dot(viewPosition, gl_EyePlaneR[4]), 1.0);
// copy the color for interpolation
gl_FrontColor = gl_Color;
}