diff options
Diffstat (limited to 'scene/main/canvas_item.cpp')
| -rw-r--r-- | scene/main/canvas_item.cpp | 22 |
1 files changed, 14 insertions, 8 deletions
diff --git a/scene/main/canvas_item.cpp b/scene/main/canvas_item.cpp index 3f98b540fc..05caad78a0 100644 --- a/scene/main/canvas_item.cpp +++ b/scene/main/canvas_item.cpp @@ -483,7 +483,7 @@ bool CanvasItem::is_y_sort_enabled() const { return y_sort_enabled; } -void CanvasItem::draw_dashed_line(const Point2 &p_from, const Point2 &p_to, const Color &p_color, real_t p_width, real_t p_dash) { +void CanvasItem::draw_dashed_line(const Point2 &p_from, const Point2 &p_to, const Color &p_color, real_t p_width, real_t p_dash, bool p_aligned) { ERR_FAIL_COND_MSG(!drawing, "Drawing is only allowed inside NOTIFICATION_DRAW, _draw() function or 'draw' signal."); float length = (p_to - p_from).length(); @@ -492,14 +492,20 @@ void CanvasItem::draw_dashed_line(const Point2 &p_from, const Point2 &p_to, cons return; } - Point2 off = p_from; Vector2 step = p_dash * (p_to - p_from).normalized(); - int steps = length / p_dash / 2; - for (int i = 0; i < steps; i++) { - RenderingServer::get_singleton()->canvas_item_add_line(canvas_item, off, (off + step), p_color, p_width); - off += 2 * step; + int steps = (p_aligned) ? Math::ceil(length / p_dash) : Math::floor(length / p_dash); + if (steps % 2 == 0) { + steps--; + } + + Point2 off = p_from; + if (p_aligned) { + off += (p_to - p_from).normalized() * (length - steps * p_dash) / 2.0; + } + for (int i = 0; i < steps; i += 2) { + RenderingServer::get_singleton()->canvas_item_add_line(canvas_item, (i == 0) ? p_from : off, (p_aligned && i == steps - 1) ? p_to : (off + step), p_color, p_width); + off += step * 2; } - RenderingServer::get_singleton()->canvas_item_add_line(canvas_item, off, p_to, p_color, p_width); } void CanvasItem::draw_line(const Point2 &p_from, const Point2 &p_to, const Color &p_color, real_t p_width, bool p_antialiased) { @@ -963,7 +969,7 @@ void CanvasItem::_bind_methods() { ClassDB::bind_method(D_METHOD("is_draw_behind_parent_enabled"), &CanvasItem::is_draw_behind_parent_enabled); ClassDB::bind_method(D_METHOD("draw_line", "from", "to", "color", "width", "antialiased"), &CanvasItem::draw_line, DEFVAL(1.0), DEFVAL(false)); - ClassDB::bind_method(D_METHOD("draw_dashed_line", "from", "to", "color", "width", "dash"), &CanvasItem::draw_dashed_line, DEFVAL(1.0), DEFVAL(2.0)); + ClassDB::bind_method(D_METHOD("draw_dashed_line", "from", "to", "color", "width", "dash", "aligned"), &CanvasItem::draw_dashed_line, DEFVAL(1.0), DEFVAL(2.0), DEFVAL(true)); ClassDB::bind_method(D_METHOD("draw_polyline", "points", "color", "width", "antialiased"), &CanvasItem::draw_polyline, DEFVAL(1.0), DEFVAL(false)); ClassDB::bind_method(D_METHOD("draw_polyline_colors", "points", "colors", "width", "antialiased"), &CanvasItem::draw_polyline_colors, DEFVAL(1.0), DEFVAL(false)); ClassDB::bind_method(D_METHOD("draw_arc", "center", "radius", "start_angle", "end_angle", "point_count", "color", "width", "antialiased"), &CanvasItem::draw_arc, DEFVAL(1.0), DEFVAL(false)); |