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A rotating Camera2D #11

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merged 2 commits into from
Feb 13, 2014
Merged

A rotating Camera2D #11

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a29bfdf
Implemented Camera2D.Rotating property
rafalcieslak Feb 10, 2014
0366d6c
Fixed accidentally broken identation
rafalcieslak Feb 10, 2014
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24 changes: 24 additions & 0 deletions scene/2d/camera_2d.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -134,6 +134,11 @@ Matrix32 Camera2D::get_camera_transform() {
Point2 screen_offset = (centered ? (screen_size * 0.5 * zoom) : Point2());;
screen_offset+=offset;

float angle = get_global_transform().get_rotation();
if(rotating){
screen_offset = screen_offset.rotated(angle);
}

Rect2 screen_rect(-screen_offset+ret_camera_pos,screen_size);
if (screen_rect.pos.x + screen_rect.size.x > limit[MARGIN_RIGHT])
screen_rect.pos.x = limit[MARGIN_RIGHT] - screen_rect.size.x;
Expand All @@ -151,6 +156,9 @@ Matrix32 Camera2D::get_camera_transform() {
camera_screen_center=screen_rect.pos+screen_rect.size*0.5;

Matrix32 xform;
if(rotating){
xform.set_rotation(angle);
}
xform.scale_basis(zoom);
xform.set_origin(screen_rect.pos/*.floor()*/);

Expand Down Expand Up @@ -251,6 +259,17 @@ bool Camera2D::is_centered() const {
return centered;
}

void Camera2D::set_rotating(bool p_rotating){

rotating=p_rotating;
_update_scroll();
}

bool Camera2D::is_rotating() const {

return rotating;
}


void Camera2D::_make_current(Object *p_which) {

Expand Down Expand Up @@ -394,6 +413,9 @@ void Camera2D::_bind_methods() {
ObjectTypeDB::bind_method(_MD("set_centered","centered"),&Camera2D::set_centered);
ObjectTypeDB::bind_method(_MD("is_centered"),&Camera2D::is_centered);

ObjectTypeDB::bind_method(_MD("set_rotating","rotating"),&Camera2D::set_rotating);
ObjectTypeDB::bind_method(_MD("is_rotating"),&Camera2D::is_rotating);

ObjectTypeDB::bind_method(_MD("make_current"),&Camera2D::make_current);
ObjectTypeDB::bind_method(_MD("_make_current"),&Camera2D::_make_current);

Expand Down Expand Up @@ -436,6 +458,7 @@ void Camera2D::_bind_methods() {

ADD_PROPERTYNZ( PropertyInfo(Variant::VECTOR2,"offset"),_SCS("set_offset"),_SCS("get_offset"));
ADD_PROPERTY( PropertyInfo(Variant::BOOL,"centered"),_SCS("set_centered"),_SCS("is_centered"));
ADD_PROPERTY( PropertyInfo(Variant::BOOL,"rotating"),_SCS("set_rotating"),_SCS("is_rotating"));
ADD_PROPERTY( PropertyInfo(Variant::BOOL,"current"),_SCS("_set_current"),_SCS("is_current"));
ADD_PROPERTY( PropertyInfo(Variant::REAL,"smoothing"),_SCS("set_follow_smoothing"),_SCS("get_follow_smoothing") );
ADD_PROPERTY( PropertyInfo(Variant::VECTOR2,"zoom"),_SCS("set_zoom"),_SCS("get_zoom") );
Expand All @@ -462,6 +485,7 @@ Camera2D::Camera2D() {


centered=true;
rotating=false;
current=false;
limit[MARGIN_LEFT]=-10000000;
limit[MARGIN_TOP]=-10000000;
Expand Down
4 changes: 4 additions & 0 deletions scene/2d/camera_2d.h
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Original file line number Diff line number Diff line change
Expand Up @@ -50,6 +50,7 @@ class Camera2D : public Node2D {
Vector2 offset;
Vector2 zoom;
bool centered;
bool rotating;
bool current;
float smoothing;
int limit[4];
Expand Down Expand Up @@ -79,6 +80,9 @@ class Camera2D : public Node2D {
void set_centered(bool p_centered);
bool is_centered() const;

void set_rotating(bool p_rotating);
bool is_rotating() const;

void set_limit(Margin p_margin,int p_limit);
int get_limit(Margin p_margin) const;

Expand Down