| public static perspective ( float fovy, float aspect, float zNear, float zFar ) : CSharpGL.mat4 | ||
| fovy | float | The field of view angle, in radians. |
| aspect | float | The aspect ratio. |
| zNear | float | The near depth clipping plane. |
| zFar | float | The far depth clipping plane. |
| return | CSharpGL.mat4 | |
public static mat4 perspective(float fovy, float aspect, float zNear, float zFar)
{
float tangent = (float)Math.Tan(fovy / 2.0f);
float height = zNear * tangent;
float width = height * aspect;
float left = -width, right = width, bottom = -height, top = height, near = zNear, far = zFar;
mat4 result = frustum(left, right, bottom, top, near, far);
return result;
}