Function perspective

  • perspective(out, fovy, aspect, near, far): mat4

  • Generates a perspective projection matrix with the given bounds. The near/far clip planes correspond to a normalized device coordinate Z range of [-1, 1], which matches WebGL/OpenGL's clip volume. Passing null/undefined/no value for far will generate infinite projection matrix.

    Parameters

    • out: mat4

      mat4 frustum matrix will be written into

    • fovy: number

      Vertical field of view in radians

    • aspect: number

      Aspect ratio. typically viewport width/height

    • near: number

      Near bound of the frustum

    • far: number

      Far bound of the frustum, can be null or Infinity

    Returns mat4

    out

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