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uniform vec2 storm_position;
uniform float storm_total_radius;
uniform float storm_inner_radius;
void main()
{
vec4 vertex = gl_ModelViewMatrix * gl_Vertex;
vec2 offset = vertex.xy - storm_position;
float len = length(offset);
if (len < storm_total_radius)
{
float push_distance = storm_inner_radius + len / storm_total_radius * (storm_total_radius - storm_inner_radius);
vertex.xy = storm_position + normalize(offset) * push_distance;
}
gl_Position = gl_ProjectionMatrix * vertex;
gl_TexCoord[0] = gl_TextureMatrix[0] * gl_MultiTexCoord0;
gl_FrontColor = gl_Color;
}
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