godotengine/godot
1
0
Fork 0
mirror of https://github.com/godotengine/godot.git synced 2025-11-12 13:20:55 +00:00
Code Releases Wiki Activity

Fix PathFollow rotations.

Browse Source 
Used parallel transport to move the object along the curve. Also introduced a few more math checks useful for debugging.
This commit is contained in:
Ferenc Arn
2017-05-22 17:06:42 -05:00
parent 9e2b3f0903
commit a1c8896d9d
4 changed files with 57 additions and 36 deletions
Download Patch File Download Diff File Expand all files Collapse all files

13
core/math/transform.cpp
View File

@@ -82,7 +82,10 @@ Transform Transform::looking_at(const Vector3 &p_target, const Vector3 &p_up) co
}
void Transform::set_look_at(const Vector3 &p_eye, const Vector3 &p_target, const Vector3 &p_up) {
#ifdef MATH_CHECKS
ERR_FAIL_COND(p_eye == p_target);
ERR_FAIL_COND(p_up.length() == 0);
#endif
// Reference: MESA source code
Vector3 v_x, v_y, v_z;
@@ -96,6 +99,9 @@ void Transform::set_look_at(const Vector3 &p_eye, const Vector3 &p_target, const
v_y = p_up;
v_x = v_y.cross(v_z);
#ifdef MATH_CHECKS
ERR_FAIL_COND(v_x.length() == 0);
#endif
/* Recompute Y = Z cross X */
v_y = v_z.cross(v_x);
@@ -103,9 +109,8 @@ void Transform::set_look_at(const Vector3 &p_eye, const Vector3 &p_target, const
v_x.normalize();
v_y.normalize();
basis.set_axis(0, v_x);
basis.set_axis(1, v_y);
basis.set_axis(2, v_z);
basis.set(v_x, v_y, v_z);
origin = p_eye;
}