stk-code_catmod/data/shaders/gum_shield.vert
vincentlj 857f675f35 OGL32CTX: Replace another series of implicit declared uniforms
git-svn-id: svn+ssh://svn.code.sf.net/p/supertuxkart/code/main/trunk@14989 178a84e3-b1eb-0310-8ba1-8eac791a3b58
2014-01-10 00:30:56 +00:00

44 lines
1.5 KiB
GLSL

// SuperTuxKart - a fun racing game with go-kart
// Copyright (C) 2013 the SuperTuxKart team
//
// This program is free software; you can redistribute it and/or
// modify it under the terms of the GNU General Public License
// as published by the Free Software Foundation; either version 3
// of the License, or (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program; if not, write to the Free Software
// Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
// Jean-manuel clemencon (c) supertuxkart 2013
// Creates a bubble gum shield effect
// ---
// TODO: The texture should reflect the strength of the shield,
// such that the user gets to know whether the shield has several
// "layers" or whether the shield is about to break.
#version 130
uniform mat4 ModelViewMatrix;
uniform mat4 ProjectionMatrix;
uniform mat4 TransposeInverseModelView;
out vec2 uv;
noperspective out vec3 eyeVec;
noperspective out vec3 normal;
void main()
{
vec4 viewp = ModelViewMatrix * gl_Vertex;
eyeVec = normalize(-viewp).xyz;
normal = (TransposeInverseModelView * vec4(gl_Normal, 1.).xyz;
gl_Position = ProjectionMatrix * viewp;
uv = (gl_TextureMatrix[0] * gl_MultiTexCoord0).st;
}