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Don't allow PathFollow offset outside bounds

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This commit is contained in:
Tomasz Chabora 2019-05-25 18:27:22 +02:00
parent 5c1cce6e3f
commit f3c5db662d
1 changed files with 20 additions and 4 deletions
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24
scene/2d/path_2d.cpp
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@ -264,7 +264,7 @@ void PathFollow2D::_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";
}
}
@ -306,8 +306,8 @@ void PathFollow2D::_bind_methods() {
ClassDB::bind_method(D_METHOD("set_lookahead", "lookahead"), &PathFollow2D::set_lookahead);
ClassDB::bind_method(D_METHOD("get_lookahead"), &PathFollow2D::get_lookahead);
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::BOOL, "rotate"), "set_rotate", "is_rotating");
@ -319,8 +319,24 @@ void PathFollow2D::_bind_methods() {
void PathFollow2D::set_offset(float p_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");
}