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Port Path2D changes to 3D

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This commit is contained in:
Tomasz Chabora 2019-11-30 12:43:34 +01:00
parent 1b40a95b6f
commit 9276684e95
1 changed files with 26 additions and 13 deletions
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39
scene/3d/path.cpp
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@ -111,18 +111,15 @@ void PathFollow::_update_transform() {
return;
}
float bi = c->get_bake_interval();
float o = offset;
float o_next = offset + bi;
if (loop) {
o = Math::fposmod(o, bl);
o_next = Math::fposmod(o_next, bl);
} else if (rotation_mode == ROTATION_ORIENTED && o_next >= bl) {
o = bl - bi;
o_next = bl;
}
Vector3 pos = c->interpolate_baked(o, cubic);
Vector3 pos = c->interpolate_baked(offset, cubic);
Transform t = get_transform();
// Vector3 pos_offset = Vector3(h_offset, v_offset, 0); not used in all cases
// will be replaced by "Vector3(h_offset, v_offset, 0)" where it was formerly used
@ -136,9 +133,9 @@ void PathFollow::_update_transform() {
else
forward.normalize();
Vector3 up = c->interpolate_baked_up_vector(o, true);
Vector3 up = c->interpolate_baked_up_vector(offset, true);
if (o_next < o) {
if (o_next < offset) {
Vector3 up1 = c->interpolate_baked_up_vector(o_next, true);
Vector3 axis = up.cross(up1);
@ -166,8 +163,8 @@ void PathFollow::_update_transform() {
t.origin = pos;
Vector3 t_prev = (pos - c->interpolate_baked(o - delta_offset, cubic)).normalized();
Vector3 t_cur = (c->interpolate_baked(o + delta_offset, cubic) - pos).normalized();
Vector3 t_prev = (pos - c->interpolate_baked(offset - delta_offset, cubic)).normalized();
Vector3 t_cur = (c->interpolate_baked(offset + delta_offset, cubic) - pos).normalized();
Vector3 axis = t_prev.cross(t_cur);
float dot = t_prev.dot(t_cur);
@ -190,7 +187,7 @@ void PathFollow::_update_transform() {
}
// do the additional tilting
float tilt_angle = c->interpolate_baked_tilt(o);
float tilt_angle = c->interpolate_baked_tilt(offset);
Vector3 tilt_axis = t_cur; // not sure what tilt is supposed to do, is this correct??
if (likely(!Math::is_zero_approx(Math::abs(tilt_angle)))) {
@ -256,7 +253,7 @@ void PathFollow::_validate_property(PropertyInfo &property) const {
if (path && path->get_curve().is_valid())
max = path->get_curve()->get_baked_length();
property.hint_string = "0," + rtos(max) + ",0.01,or_greater";
property.hint_string = "0," + rtos(max) + ",0.01,or_lesser";
}
}
@ -300,8 +297,8 @@ void PathFollow::_bind_methods() {
ClassDB::bind_method(D_METHOD("set_loop", "loop"), &PathFollow::set_loop);
ClassDB::bind_method(D_METHOD("has_loop"), &PathFollow::has_loop);
ADD_PROPERTY(PropertyInfo(Variant::REAL, "offset", PROPERTY_HINT_RANGE, "0,10000,0.01,or_greater"), "set_offset", "get_offset");
ADD_PROPERTY(PropertyInfo(Variant::REAL, "unit_offset", PROPERTY_HINT_RANGE, "0,1,0.0001,or_greater", PROPERTY_USAGE_EDITOR), "set_unit_offset", "get_unit_offset");
ADD_PROPERTY(PropertyInfo(Variant::REAL, "offset", PROPERTY_HINT_RANGE, "0,10000,0.01,or_lesser"), "set_offset", "get_offset");
ADD_PROPERTY(PropertyInfo(Variant::REAL, "unit_offset", PROPERTY_HINT_RANGE, "0,1,0.0001,or_lesser", PROPERTY_USAGE_EDITOR), "set_unit_offset", "get_unit_offset");
ADD_PROPERTY(PropertyInfo(Variant::REAL, "h_offset"), "set_h_offset", "get_h_offset");
ADD_PROPERTY(PropertyInfo(Variant::REAL, "v_offset"), "set_v_offset", "get_v_offset");
ADD_PROPERTY(PropertyInfo(Variant::INT, "rotation_mode", PROPERTY_HINT_ENUM, "None,Y,XY,XYZ,Oriented"), "set_rotation_mode", "get_rotation_mode");
@ -319,8 +316,24 @@ void PathFollow::set_offset(float p_offset) {
delta_offset = p_offset - offset;
offset = p_offset;
if (path)
if (path) {
if (path->get_curve().is_valid() && path->get_curve()->get_baked_length()) {
float path_length = path->get_curve()->get_baked_length();
if (loop) {
while (offset > path_length)
offset -= path_length;
while (offset < 0)
offset += path_length;
} else {
offset = CLAMP(offset, 0, path_length);
}
}
_update_transform();
}
_change_notify("offset");
_change_notify("unit_offset");
}