857f675f35
git-svn-id: svn+ssh://svn.code.sf.net/p/supertuxkart/code/main/trunk@14989 178a84e3-b1eb-0310-8ba1-8eac791a3b58
44 lines
1.5 KiB
GLSL
44 lines
1.5 KiB
GLSL
// SuperTuxKart - a fun racing game with go-kart
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// Copyright (C) 2013 the SuperTuxKart team
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//
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// This program is free software; you can redistribute it and/or
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// modify it under the terms of the GNU General Public License
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// as published by the Free Software Foundation; either version 3
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// of the License, or (at your option) any later version.
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//
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with this program; if not, write to the Free Software
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// Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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// Jean-manuel clemencon (c) supertuxkart 2013
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// Creates a bubble gum shield effect
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// ---
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// TODO: The texture should reflect the strength of the shield,
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// such that the user gets to know whether the shield has several
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// "layers" or whether the shield is about to break.
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#version 130
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uniform mat4 ModelViewMatrix;
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uniform mat4 ProjectionMatrix;
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uniform mat4 TransposeInverseModelView;
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out vec2 uv;
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noperspective out vec3 eyeVec;
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noperspective out vec3 normal;
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void main()
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{
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vec4 viewp = ModelViewMatrix * gl_Vertex;
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eyeVec = normalize(-viewp).xyz;
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normal = (TransposeInverseModelView * vec4(gl_Normal, 1.).xyz;
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gl_Position = ProjectionMatrix * viewp;
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uv = (gl_TextureMatrix[0] * gl_MultiTexCoord0).st;
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}
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