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#version 120
#extension GL_EXT_gpu_shader4 : require
attribute highp vec3 vertexPosition_mdl;
attribute highp vec3 vertexNormal_mdl;
uniform highp mat4 MVP;
uniform highp mat4 V;
uniform highp mat4 M;
uniform highp mat4 itM;
uniform highp mat4 depthMVP;
uniform highp vec3 lightPosition_wrld;
varying highp vec3 position_wrld;
flat varying highp vec3 normal_cmr;
varying highp vec3 eyeDirection_cmr;
varying highp vec3 lightDirection_cmr;
varying highp vec4 shadowCoord;
varying highp vec3 coords_mdl;
const highp mat4 bias = mat4(0.5, 0.0, 0.0, 0.0,
0.0, 0.5, 0.0, 0.0,
0.0, 0.0, 0.5, 0.0,
0.5, 0.5, 0.5, 1.0);
void main() {
gl_Position = MVP * vec4(vertexPosition_mdl, 1.0);
coords_mdl = vertexPosition_mdl;
shadowCoord = bias * depthMVP * vec4(vertexPosition_mdl, 1.0);
position_wrld = (M * vec4(vertexPosition_mdl, 1.0)).xyz;
vec3 vertexPosition_cmr = (V * M * vec4(vertexPosition_mdl, 1.0)).xyz;
eyeDirection_cmr = vec3(0.0, 0.0, 0.0) - vertexPosition_cmr;
vec3 lightPosition_cmr = (V * vec4(lightPosition_wrld, 1.0)).xyz;
lightDirection_cmr = lightPosition_cmr + eyeDirection_cmr;
normal_cmr = (V * itM * vec4(vertexNormal_mdl, 0.0)).xyz;
}
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