shader_type spatial; render_mode unshaded; uniform sampler2D albedo: hint_default_black, source_color; void fragment() { // The portal color is simply the screen-space color of the exit camera render target. // This is because the exit camera views the exit portal from the perspective of the player watching // the entrance portal, meaning the exit portal will occupy the same screen-space as the entrance portal. vec3 portal_color = texture(albedo, SCREEN_UV).rgb; ALBEDO = portal_color; // FOR DEBUG - make portals slightly red // ALBEDO = mix(portal_color, vec3(1, 0, 0), 0.1); }