Perspective facts:
(1) light travels in straight lines
(2) light is only visible at the viewpoint
(3) the viewpoint has a direction of view
(4) all light at the viewpoint appears "end on" as points
ශිල්ප 64 ශිල්ප 64
Perspective facts:
(1) light travels in straight lines
(2) light is only visible at the viewpoint
(3) the viewpoint has a direction of view
(4) all light at the viewpoint appears "end on" as points
ශිල්ප 64