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Diffstat (limited to 'scene/2d/parallax_background.cpp')
| -rw-r--r-- | scene/2d/parallax_background.cpp | 200 |
1 files changed, 200 insertions, 0 deletions
diff --git a/scene/2d/parallax_background.cpp b/scene/2d/parallax_background.cpp new file mode 100644 index 000000000..55607bd4e --- /dev/null +++ b/scene/2d/parallax_background.cpp @@ -0,0 +1,200 @@ +/*************************************************************************/ +/* parallax_background.cpp */ +/*************************************************************************/ +/* This file is part of: */ +/* GODOT ENGINE */ +/* http://www.godotengine.org */ +/*************************************************************************/ +/* Copyright (c) 2007-2014 Juan Linietsky, Ariel Manzur. */ +/* */ +/* Permission is hereby granted, free of charge, to any person obtaining */ +/* a copy of this software and associated documentation files (the */ +/* "Software"), to deal in the Software without restriction, including */ +/* without limitation the rights to use, copy, modify, merge, publish, */ +/* distribute, sublicense, and/or sell copies of the Software, and to */ +/* permit persons to whom the Software is furnished to do so, subject to */ +/* the following conditions: */ +/* */ +/* The above copyright notice and this permission notice shall be */ +/* included in all copies or substantial portions of the Software. */ +/* */ +/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */ +/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */ +/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/ +/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */ +/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */ +/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */ +/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ +/*************************************************************************/ +#include "parallax_background.h" +#include "parallax_layer.h" + + + +void ParallaxBackground::_notification(int p_what) { + + switch(p_what) { + + + case NOTIFICATION_ENTER_SCENE: { + + group_name = "__cameras_"+itos(get_viewport().get_id()); + add_to_group(group_name); + + } break; + case NOTIFICATION_EXIT_SCENE: { + + remove_from_group(group_name); + } break; + } + +} + +void ParallaxBackground::_camera_moved(const Matrix32& p_transform) { + + + set_scroll_offset(p_transform.get_origin()); + set_scroll_scale(p_transform.get_scale().dot(Vector2(0.5,0.5))); +} + + +void ParallaxBackground::set_scroll_scale(float p_scale) { + + scale=p_scale; +} + +float ParallaxBackground::get_scroll_scale() const{ + + return scale; +} + + +void ParallaxBackground::set_scroll_offset(const Point2& p_ofs) { + + offset=p_ofs; + + _update_scroll(); +} + +void ParallaxBackground::_update_scroll() { + + if (!is_inside_scene()) + return; + + Vector2 ofs = base_offset+offset*base_scale; + + Size2 vps = get_viewport_size(); + + ofs = -ofs; + if (limit_begin.x < limit_end.x) { + + if (ofs.x < limit_begin.x) + ofs.x=limit_begin.x; + else if (ofs.x+vps.x > limit_end.x) + ofs.x=limit_end.x-vps.x; + } + + + if (limit_begin.y < limit_end.y) { + + if (ofs.y < limit_begin.y) + ofs.y=limit_begin.y; + else if (ofs.y+vps.y > limit_end.y) + ofs.y=limit_end.y-vps.y; + } + ofs = -ofs; + + for(int i=0;i<get_child_count();i++) { + + ParallaxLayer *l=get_child(i)->cast_to<ParallaxLayer>(); + if (!l) + continue; + + l->set_base_offset_and_scale(ofs,scale); + } +} + +Point2 ParallaxBackground::get_scroll_offset() const { + + return offset; +} + +void ParallaxBackground::set_scroll_base_offset(const Point2& p_ofs) { + + base_offset=p_ofs; + _update_scroll(); +} + +Point2 ParallaxBackground::get_scroll_base_offset() const{ + + return base_offset; +} + +void ParallaxBackground::set_scroll_base_scale(const Point2& p_ofs) { + + base_scale=p_ofs; + _update_scroll(); +} + +Point2 ParallaxBackground::get_scroll_base_scale() const{ + + return base_scale; +} + + +void ParallaxBackground::set_limit_begin(const Point2& p_ofs) { + + limit_begin=p_ofs; + _update_scroll(); +} + +Point2 ParallaxBackground::get_limit_begin() const { + + return limit_begin; +} + +void ParallaxBackground::set_limit_end(const Point2& p_ofs) { + + limit_end=p_ofs; + _update_scroll(); + +} + +Point2 ParallaxBackground::get_limit_end() const { + + return limit_end; +} + +void ParallaxBackground::_bind_methods() { + + ObjectTypeDB::bind_method(_MD("_camera_moved"),&ParallaxBackground::_camera_moved); + ObjectTypeDB::bind_method(_MD("set_scroll_offset","ofs"),&ParallaxBackground::set_scroll_offset); + ObjectTypeDB::bind_method(_MD("get_scroll_offset"),&ParallaxBackground::get_scroll_offset); + ObjectTypeDB::bind_method(_MD("set_scroll_base_offset","ofs"),&ParallaxBackground::set_scroll_base_offset); + ObjectTypeDB::bind_method(_MD("get_scroll_base_offset"),&ParallaxBackground::get_scroll_base_offset); + ObjectTypeDB::bind_method(_MD("set_scroll_base_scale","scale"),&ParallaxBackground::set_scroll_base_scale); + ObjectTypeDB::bind_method(_MD("get_scroll_base_scale"),&ParallaxBackground::get_scroll_base_scale); + ObjectTypeDB::bind_method(_MD("set_limit_begin","ofs"),&ParallaxBackground::set_limit_begin); + ObjectTypeDB::bind_method(_MD("get_limit_begin"),&ParallaxBackground::get_limit_begin); + ObjectTypeDB::bind_method(_MD("set_limit_end","ofs"),&ParallaxBackground::set_limit_end); + ObjectTypeDB::bind_method(_MD("get_limit_end"),&ParallaxBackground::get_limit_end); + + + ADD_PROPERTY( PropertyInfo(Variant::VECTOR2,"scroll/offset"),_SCS("set_scroll_offset"),_SCS("get_scroll_offset")); + ADD_PROPERTY( PropertyInfo(Variant::VECTOR2,"scroll/base_offset"),_SCS("set_scroll_base_offset"),_SCS("get_scroll_base_offset")); + ADD_PROPERTY( PropertyInfo(Variant::VECTOR2,"scroll/base_scale"),_SCS("set_scroll_base_scale"),_SCS("get_scroll_base_scale")); + ADD_PROPERTY( PropertyInfo(Variant::VECTOR2,"scroll/limit_begin"),_SCS("set_limit_begin"),_SCS("get_limit_begin")); + ADD_PROPERTY( PropertyInfo(Variant::VECTOR2,"scroll/limit_end"),_SCS("set_limit_end"),_SCS("get_limit_end")); + +} + + + + + +ParallaxBackground::ParallaxBackground() { + + base_scale=Vector2(1,1); + scale=1.0; + set_layer(-1); //behind all by default +} |