Differential D13791 Diff 46905 source/blender/nodes/shader/nodes/node_shader_tex_gradient.cc

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Show First 20 Lines • Show All 124 Lines • ▼ Show 20 Lines	switch (gradient_type_) {
}		}
break;		break;
}		}
case SHD_BLEND_QUADRATIC_SPHERE: {		case SHD_BLEND_QUADRATIC_SPHERE: {
for (int64_t i : mask) {		for (int64_t i : mask) {
/* Bias a little bit for the case where input is a unit length vector,		/* Bias a little bit for the case where input is a unit length vector,
* to get exactly zero instead of a small random value depending		* to get exactly zero instead of a small random value depending
* on float precision. */		* on float precision. */
const float r = std::max(0.999999f - vector[i].length(), 0.0f);		const float r = std::max(0.999999f - math::length(vector[i]), 0.0f);
fac[i] = r * r;		fac[i] = r * r;
}		}
break;		break;
}		}
case SHD_BLEND_SPHERICAL: {		case SHD_BLEND_SPHERICAL: {
for (int64_t i : mask) {		for (int64_t i : mask) {
/* Bias a little bit for the case where input is a unit length vector,		/* Bias a little bit for the case where input is a unit length vector,
* to get exactly zero instead of a small random value depending		* to get exactly zero instead of a small random value depending
* on float precision. */		* on float precision. */
fac[i] = std::max(0.999999f - vector[i].length(), 0.0f);		fac[i] = std::max(0.999999f - math::length(vector[i]), 0.0f);
}		}
break;		break;
}		}
}		}
if (compute_color) {		if (compute_color) {
for (int64_t i : mask) {		for (int64_t i : mask) {
r_color[i] = ColorGeometry4f(fac[i], fac[i], fac[i], 1.0f);		r_color[i] = ColorGeometry4f(fac[i], fac[i], fac[i], 1.0f);
}		}
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