Objeck Classes

All Bundles

Rect

Definition of a rectangle, with the origin at the upper left.

Operations

New
AddH
AddW
AddX
AddY
GetH
GetW
GetX
GetY
HasIntersection
Intersect
IntersectAndLine
PointIn
SetH
SetW
SetX
SetY
SubH
SubW
SubX
SubY
ToString
Union

New

Creates a new rectangle

New()

Creates a new rectangle

New(w:Int, h:Int)

Parameters

Name	Type	Description
w	Int	width
h	Int	height

Creates a new rectangle

New(x:Int, y:Int, w:Int, h:Int)

Parameters

Name	Type	Description
x	Int	x-location
y	Int	y-location
w	Int	width
h	Int	height

Creates a new rectangle

New(rect:Rect)

Parameters

Name	Type	Description
rect	Rect	rect to copy

AddH

Add to current height

method : public : AddH(h:Int) ~ Nil

Parameters

Name	Type	Description
h	Int	value to add

AddW

Add to current width

method : public : AddW(w:Int) ~ Nil

Parameters

Name	Type	Description
w	Int	value to add

AddX

Add to current x position

method : public : AddX(x:Int) ~ Nil

Parameters

Name	Type	Description
x	Int	value to add

AddY

Add to current y position

method : public : AddY(y:Int) ~ Nil

Parameters

Name	Type	Description
y	Int	value to add

GetH

Get height

method : public : GetH() ~ Int

Return

Type	Description
Int	height

GetW

Get width

method : public : GetW() ~ Int

Return

Type	Description
Int	width

GetX

Get X

method : public : GetX() ~ Int

Return

Type	Description
Int	x-position

GetY

Get Y

method : public : GetY() ~ Int

Return

Type	Description
Int	y-position

HasIntersection

Determines if two rectangles intersects

method : public : HasIntersection(B:Rect) ~ Bool

Parameters

Name	Type	Description
B	Rect	rectangle to compare

Return

Type	Description
Bool	true if intersection

Intersect

Calculate the intersection of two rectangles

method : public : Intersect(B:Rect, result:Rect) ~ Bool

Parameters

Name	Type	Description
B	Rect	rectangle to compare
result	Rect	Rect filled in with the intersection of rectangles A and B

Return

Type	Description
Bool	Returns true if there is an intersection, false otherwise.

IntersectAndLine

Calculate the intersection of a rectangle and line segment

method : public : IntersectAndLine(X1:IntRef, Y1:IntRef, X2:IntRef, Y2:IntRef) ~ Bool

Parameters

Name	Type	Description
X1	IntRef	a holder to the starting X-coordinate of the line
Y1	IntRef	a holder to the starting Y-coordinate of the line
X2	IntRef	a holder to the ending X-coordinate of the line
Y2	IntRef	a holder to the ending Y-coordinate of the line

Return

Type	Description
Bool	true if there is an intersection, false otherwise

PointIn

Check if a point resides inside a rectangle

method : public : PointIn(p:Point) ~ Bool

Parameters

Name	Type	Description
p	Point	an SDL_Point which is the point

Return

Type	Description
Bool	true if there is an intersection, false otherwise

SetH

Set height

method : public : SetH(h:Int) ~ Nil

Parameters

Name	Type	Description
h	Int	height

SetW

Set width

method : public : SetW(w:Int) ~ Nil

Parameters

Name	Type	Description
w	Int	width

SetX

Set x-position

method : public : SetX(x:Int) ~ Nil

Parameters

Name	Type	Description
x	Int	x-position

SetY

Set y-position

method : public : SetY(y:Int) ~ Nil

Parameters

Name	Type	Description
y	Int	y-position

SubH

Subtracts from current height

method : public : SubH(h:Int) ~ Nil

Parameters

Name	Type	Description
h	Int	value to subtract

SubW

Subtracts from current width

method : public : SubW(w:Int) ~ Nil

Parameters

Name	Type	Description
w	Int	value to subtract

SubX

Subtracts from current x position

method : public : SubX(x:Int) ~ Nil

Parameters

Name	Type	Description
x	Int	value to subtract

SubY

Subtracts from current y position

method : public : SubY(y:Int) ~ Nil

Parameters

Name	Type	Description
y	Int	value to subtract

ToString

String representation of rect

method : public : ToString() ~ String

Return

Type	Description
String	string representation

Union

Calculate the union of two rectangles

method : public : Union(B:Rect, result:Rect) ~ Nil

Parameters

Name	Type	Description
B	Rect	rectangle to compare
result	Rect	Rect filled in with the union of rectangles A and B

Return

Type	Description
Nil	Returns true if there is an union, false otherwise.