Graphics Reference
In-Depth Information
[
super
viewDidLoad
];
//set up the perspective transform
CATransform3D
pt =
CATransform3DIdentity
;
pt.
m34
= -
1.0
/
500.0
;
self
.containerView.
layer
.
sublayerTransform
= pt;
//set up the transform for cube 1 and add it
CATransform3D
c1t =
CATransform3DIdentity
;
c1t =
CATransform3DTranslate
(c1t, -
100
,
0
,
0
);
CALayer
*cube1 = [
self
cubeWithTransform
:c1t];
[
self
.containerView.
layer
addSublayer
:cube1];
//set up the transform for cube 2 and add it
CATransform3D
c2t =
CATransform3DIdentity
;
c2t =
CATransform3DTranslate
(c2t,
100
,
0
,
0
);
c2t =
CATransform3DRotate
(c2t, -
M_PI_4
,
1
,
0
,
0
);
c2t =
CATransform3DRotate
(c2t, -
M_PI_4
,
0
,
1
,
0
);
CALayer
*cube2 = [
self
cubeWithTransform
:c2t];
[
self
.containerView.
layer
addSublayer
:cube2];}
@end
Figure 6.5
Two cubes with shared perspective but different transforms applied
