Sha256: f26e4df469028f2d0a3fc77fe8a96791582c0beb404a170083b2f621c4b7a02a
Contents?: true
Size: 1.15 KB
Versions: 8
Compression:
Stored size: 1.15 KB
Contents
uniform vec4 u_intersectionColor;
uniform float u_intersectionWidth;
bool inSensorShadow(vec3 coneVertexWC, czm_ellipsoid ellipsoidEC, vec3 pointWC)
{
// Diagonal matrix from the unscaled ellipsoid space to the scaled space.
vec3 D = ellipsoidEC.inverseRadii;
// Sensor vertex in the scaled ellipsoid space
vec3 q = D * coneVertexWC;
float qMagnitudeSquared = dot(q, q);
float test = qMagnitudeSquared - 1.0;
// Sensor vertex to fragment vector in the ellipsoid's scaled space
vec3 temp = D * pointWC - q;
float d = dot(temp, q);
// Behind silhouette plane and inside silhouette cone
return (d < -test) && (d / length(temp) < -sqrt(test));
}
///////////////////////////////////////////////////////////////////////////////
vec4 getIntersectionColor()
{
return u_intersectionColor;
}
float getIntersectionWidth()
{
return u_intersectionWidth;
}
vec2 sensor2dTextureCoordinates(float sensorRadius, vec3 pointMC)
{
// (s, t) both in the range [0, 1]
float t = pointMC.z / sensorRadius;
float s = 1.0 + (atan(pointMC.y, pointMC.x) / czm_twoPi);
s = s - floor(s);
return vec2(s, t);
}
Version data entries
8 entries across 8 versions & 1 rubygems