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+//
+// Fragment shader for procedurally generated toy ball
+//
+// Author: Bill Licea-Kane
+//
+// Copyright (c) 2002-2003 ATI Research
+//
+// See ATI-License.txt for license information
+//
+
+varying vec4 ECposition; // surface position in eye coordinates
+varying vec4 ECballCenter; // ball center in eye coordinates
+uniform vec4 BallCenter; // ball center in modelling coordinates
+
+void main()
+{
+//orig: ECposition = gl_ModelViewMatrix * gl_Vertex;
+
+ ECposition = gl_TextureMatrix[0] * gl_Vertex;
+ ECposition = gl_ModelViewMatrix * ECposition;
+
+ ECballCenter = gl_ModelViewMatrix * BallCenter;
+ gl_Position = ftransform();
+}