Function lookAtDir

  • Calculate the look-at direction Vec3 vector from pitch (up/down) and yaw (left/right) angles in radians. It looks towards -Z axis when pitch = 0 and yaw = 0. This can be used with lookAt method to build an FPS camera view matrix by: viewMatrix = lookAt(eye, lookAtDir(yaw, pitch).add(eye), new Vec3(0, 1, 0));

    Parameters

    • pitch: number
    • yaw: number
    • out: Vec3 = ...

    Returns Vec3

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