Matrix4x4.Frustum(FrustumPlanes frustumPlanes)
This function returns a projection matrix with viewing frustum that has a near plane defined by the coordinates that were passed in.
Parameters:
| Name | Type | Description |
|---|---|---|
| frustumPlanes | FrustumPlanes | Frustum planes struct that contains the view space coordinates of that define a viewing frustum. |
Returns:
| type | Description |
|---|---|
| Matrix4x4 | A projection matrix with a viewing frustum defined by the plane coordinates passed in. |
Usage
---@type FrustumPlanes
local frustumPlanes;
local val0 = Matrix4x4:Frustum(frustumPlanes)
a.org/pil/2.3.html) |The Y coordinate of the bottom side of the near projection plane in view space. | |top | number |The Y coordinate of the top side of the near projection plane in view space. | |zNear | number |Z distance to the near plane from the origin in view space. | |zFar | number |Z distance to the far plane from the origin in view space. |
Returns:
| type | Description |
|---|---|
| Matrix4x4 | A projection matrix with a viewing frustum defined by the plane coordinates passed in. |
Usage
---@type number
local left;
---@type number
local right;
---@type number
local bottom;
---@type number
local top;
---@type number
local zNear;
---@type number
local zFar;
local val0 = Matrix4x4:Frustum(left, right, bottom, top, zNear, zFar)
Extra Detail
The corners of the near plane of the viewing frustum of the projection matrix are as follows:
top-left : (left, top, zNear)
top-right : (right, top, zNear)
bottom-right : (right, bottom, zNear)
bottom-left : (left, bottom, zNear)