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Diffstat (limited to 'source/blender/blenkernel/intern/spline_base.cc')
-rw-r--r--source/blender/blenkernel/intern/spline_base.cc41
1 files changed, 27 insertions, 14 deletions
diff --git a/source/blender/blenkernel/intern/spline_base.cc b/source/blender/blenkernel/intern/spline_base.cc
index 857022345f3..3262d768b6c 100644
--- a/source/blender/blenkernel/intern/spline_base.cc
+++ b/source/blender/blenkernel/intern/spline_base.cc
@@ -166,13 +166,15 @@ static void accumulate_lengths(Span<float3> positions,
const bool is_cyclic,
MutableSpan<float> lengths)
{
+ using namespace blender::math;
+
float length = 0.0f;
for (const int i : IndexRange(positions.size() - 1)) {
- length += float3::distance(positions[i], positions[i + 1]);
+ length += distance(positions[i], positions[i + 1]);
lengths[i] = length;
}
if (is_cyclic) {
- lengths.last() = length + float3::distance(positions.last(), positions.first());
+ lengths.last() = length + distance(positions.last(), positions.first());
}
}
@@ -200,11 +202,13 @@ Span<float> Spline::evaluated_lengths() const
static float3 direction_bisect(const float3 &prev, const float3 &middle, const float3 &next)
{
- const float3 dir_prev = (middle - prev).normalized();
- const float3 dir_next = (next - middle).normalized();
+ using namespace blender::math;
+
+ const float3 dir_prev = normalize(middle - prev);
+ const float3 dir_next = normalize(next - middle);
- const float3 result = (dir_prev + dir_next).normalized();
- if (UNLIKELY(result.is_zero())) {
+ const float3 result = normalize(dir_prev + dir_next);
+ if (UNLIKELY(is_zero(result))) {
return float3(0.0f, 0.0f, 1.0f);
}
return result;
@@ -214,6 +218,8 @@ static void calculate_tangents(Span<float3> positions,
const bool is_cyclic,
MutableSpan<float3> tangents)
{
+ using namespace blender::math;
+
if (positions.size() == 1) {
tangents.first() = float3(0.0f, 0.0f, 1.0f);
return;
@@ -232,8 +238,8 @@ static void calculate_tangents(Span<float3> positions,
tangents.last() = direction_bisect(second_to_last, last, first);
}
else {
- tangents.first() = (positions[1] - positions[0]).normalized();
- tangents.last() = (positions.last() - positions[positions.size() - 2]).normalized();
+ tangents.first() = normalize(positions[1] - positions[0]);
+ tangents.last() = normalize(positions.last() - positions[positions.size() - 2]);
}
}
@@ -264,18 +270,22 @@ static float3 rotate_direction_around_axis(const float3 &direction,
const float3 &axis,
const float angle)
{
+ using namespace blender::math;
+
BLI_ASSERT_UNIT_V3(direction);
BLI_ASSERT_UNIT_V3(axis);
- const float3 axis_scaled = axis * float3::dot(direction, axis);
+ const float3 axis_scaled = axis * dot(direction, axis);
const float3 diff = direction - axis_scaled;
- const float3 cross = float3::cross(axis, diff);
+ const float3 cross = blender::math::cross(axis, diff);
return axis_scaled + diff * std::cos(angle) + cross * std::sin(angle);
}
static void calculate_normals_z_up(Span<float3> tangents, MutableSpan<float3> r_normals)
{
+ using namespace blender::math;
+
BLI_assert(r_normals.size() == tangents.size());
/* Same as in `vec_to_quat`. */
@@ -286,7 +296,7 @@ static void calculate_normals_z_up(Span<float3> tangents, MutableSpan<float3> r_
r_normals[i] = {1.0f, 0.0f, 0.0f};
}
else {
- r_normals[i] = float3(tangent.y, -tangent.x, 0.0f).normalized();
+ r_normals[i] = normalize(float3(tangent.y, -tangent.x, 0.0f));
}
}
}
@@ -298,12 +308,14 @@ static float3 calculate_next_normal(const float3 &last_normal,
const float3 &last_tangent,
const float3 &current_tangent)
{
- if (last_tangent.is_zero() || current_tangent.is_zero()) {
+ using namespace blender::math;
+
+ if (is_zero(last_tangent) || is_zero(current_tangent)) {
return last_normal;
}
const float angle = angle_normalized_v3v3(last_tangent, current_tangent);
if (angle != 0.0) {
- const float3 axis = float3::cross(last_tangent, current_tangent).normalized();
+ const float3 axis = normalize(cross(last_tangent, current_tangent));
return rotate_direction_around_axis(last_normal, axis, angle);
}
return last_normal;
@@ -313,6 +325,7 @@ static void calculate_normals_minimum(Span<float3> tangents,
const bool cyclic,
MutableSpan<float3> r_normals)
{
+ using namespace blender::math;
BLI_assert(r_normals.size() == tangents.size());
if (r_normals.is_empty()) {
@@ -327,7 +340,7 @@ static void calculate_normals_minimum(Span<float3> tangents,
r_normals[0] = {1.0f, 0.0f, 0.0f};
}
else {
- r_normals[0] = float3(first_tangent.y, -first_tangent.x, 0.0f).normalized();
+ r_normals[0] = normalize(float3(first_tangent.y, -first_tangent.x, 0.0f));
}
/* Forward normal with minimum twist along the entire spline. */