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Add raycast options to hit when starting inside / hit back faces

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Makes the results consistent for all shape types with options to set
the desired behavior.
This commit is contained in:
PouleyKetchoupp 2021-11-10 15:57:11 -07:00
parent 3668312e78
commit c3ae7ddedd
22 changed files with 164 additions and 55 deletions
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16
servers/physics_2d/godot_space_2d.cpp
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@ -153,6 +153,22 @@ bool GodotPhysicsDirectSpaceState2D::intersect_ray(const RayParameters &p_parame
Vector2 shape_point, shape_normal;
if (shape->contains_point(local_from)) {
if (p_parameters.hit_from_inside) {
// Hit shape at starting point.
min_d = 0;
res_point = local_from;
res_normal = Vector2();
res_shape = shape_idx;
res_obj = col_obj;
collided = true;
break;
} else {
// Ignore shape when starting inside.
continue;
}
}
if (shape->intersect_segment(local_from, local_to, shape_point, shape_normal)) {
Transform2D xform = col_obj->get_transform() * col_obj->get_shape_transform(shape_idx);
shape_point = xform.xform(shape_point);