The perspective() CSS function defines the distance between the z=0 plane and the user in order to give to the 3D-positioned element some perspective. Each 3D element with z>0 becomes larger; each 3D-element with z<0 becomes smaller. The strength of the effect is determined by the value of this property.
Syntax
perspective(l)
Values
- l
- Is a
<length>giving the distance from the user to the z=0 plane. It is used to apply a perspective transform to the element. If it is 0 or a negative value, no perspective transform is applied.
| Cartesian coordinates on ℝ2 | Homogeneous coordinates on ℝℙ2 | Cartesian coordinates on ℝ3 | Homogeneous coordinates on ℝℙ3 |
|---|---|---|---|
|
This transform applies to the 3D space and cannot be represented on the plan. |
A perspective is not a linear transform in ℝ3 and cannot be represented using a matrix in the Cartesian coordinates system. | ||
Examples
TBD
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mrstork,
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