phi is an angle that relates to which axis in the THREE.OrbitControl code snippet provided below?
phi += phiDelta;
// Ensure phi stays within specified limits
phi = Math.max( this.minPolarAngle, Math.min( this.maxPolarAngle, phi ) );
I believe that theta corresponds to the angle with the y-axis in the code since it handles "up" rotation.
However, I am uncertain whether phi represents an angle related to the x-axis or z-axis.
phi represents the polar angle, indicating the angle relative to the y-axis which is considered the standard "up" direction.
If phi is close to zero, it means the camera is positioned above looking downwards.
theta refers to the angle around the y-axis.
All measurements are in radians.
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