Camera3D component

[ripel2]

Add a camera component that holds information about the camera, namely:

• lookat (vec3)
• up vector (vec3)
• FOV y (float, int, short or char)
• aspect: The aspect ratio, which controls the horizontal viewing angle relative to the vertical. (= width divided by height)
• zNear: The inverted z coordinate of the near clipping plane. (float)
• zFar: The inverted z coordinate of the far clipping plane. (float)