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Diffstat (limited to 'servers/physics_2d/joints_2d_sw.cpp')
-rw-r--r--servers/physics_2d/joints_2d_sw.cpp9
1 files changed, 7 insertions, 2 deletions
diff --git a/servers/physics_2d/joints_2d_sw.cpp b/servers/physics_2d/joints_2d_sw.cpp
index 7fba8acebd..d49c1b8376 100644
--- a/servers/physics_2d/joints_2d_sw.cpp
+++ b/servers/physics_2d/joints_2d_sw.cpp
@@ -146,14 +146,19 @@ bool PinJoint2DSW::setup(real_t p_step) {
return true;
}
+inline Vector2 custom_cross(const Vector2 &p_vec, real_t p_other) {
+
+ return Vector2(p_other * p_vec.y, -p_other * p_vec.x);
+}
+
void PinJoint2DSW::solve(real_t p_step) {
// compute relative velocity
- Vector2 vA = A->get_linear_velocity() - rA.cross(A->get_angular_velocity());
+ Vector2 vA = A->get_linear_velocity() - custom_cross(rA, A->get_angular_velocity());
Vector2 rel_vel;
if (B)
- rel_vel = B->get_linear_velocity() - rB.cross(B->get_angular_velocity()) - vA;
+ rel_vel = B->get_linear_velocity() - custom_cross(rB, B->get_angular_velocity()) - vA;
else
rel_vel = -vA;