initial

code/__HELPERS/#maths.dm

@@ -106,42 +106,6 @@ GLOBAL_LIST_INIT(sqrtTable, list(1, 1, 1, 2, 2, 2, 2, 2, 3, 3, 3, 3, 3, 3, 3, 4,
 		return "[round((powerused * 0.000001),0.001)] MW"
 	return "[round((powerused * 0.000000001),0.0001)] GW"
 
-///Calculate the angle between two movables and the west|east coordinate
-/proc/get_angle(atom/movable/start, atom/movable/end)//For beams.
-	if(!start || !end)
-		return 0
-	var/dy =(32 * end.y + end.pixel_y) - (32 * start.y + start.pixel_y)
-	var/dx =(32 * end.x + end.pixel_x) - (32 * start.x + start.pixel_x)
-	if(!dy)
-		return (dx >= 0) ? 90 : 270
-	. = arctan(dx/dy)
-	if(dy < 0)
-		. += 180
-	else if(dx < 0)
-		. += 360
-
-/// Angle between two arbitrary points and horizontal line same as [/proc/get_angle]
-/proc/get_angle_raw(start_x, start_y, start_pixel_x, start_pixel_y, end_x, end_y, end_pixel_x, end_pixel_y)
-	var/dy = (32 * end_y + end_pixel_y) - (32 * start_y + start_pixel_y)
-	var/dx = (32 * end_x + end_pixel_x) - (32 * start_x + start_pixel_x)
-	if(!dy)
-		return (dx >= 0) ? 90 : 270
-	. = arctan(dx/dy)
-	if(dy < 0)
-		. += 180
-	else if(dx < 0)
-		. += 360
-
-///for getting the angle when animating something's pixel_x and pixel_y
-/proc/get_pixel_angle(y, x)
-	if(!y)
-		return (x >= 0) ? 90 : 270
-	. = arctan(x/y)
-	if(y < 0)
-		. += 180
-	else if(x < 0)
-		. += 360
-
 /**
  * Get a list of turfs in a line from `starting_atom` to `ending_atom`.
  *

code/__HELPERS/unsorted.dm

@@ -99,38 +99,32 @@
 		var/atom/movable/big_subject = subject
 		. += (big_subject.bound_height  - world.icon_size) / 2
 
-/proc/Get_Angle(atom/start,atom/end, tile_bound = FALSE)//For beams.
-	if(!start || !end) return 0
-	if(!start.z || !end.z) return 0 //Atoms are not on turfs.
-	var/dx
-	var/dy
-	if(tile_bound)
-		dy=end.y-start.y
-		dx=end.x-start.x
-	else
-		dy = get_pixel_position_y(end) - get_pixel_position_y(start)
-		dx = get_pixel_position_x(end) - get_pixel_position_x(start)
-	if(!dy)
-		return (dx>=0)?90:270
-	.=arctan(dx/dy)
-	if(dy<0)
-		.+=180
-	else if(dx<0)
-		.+=360
-
-/proc/Get_Compass_Dir(atom/start,atom/end)//get_dir() only considers an object to be north/south/east/west if there is zero deviation. This uses rounding instead.
-	if(!start || !end) return 0
-	if(!start.z || !end.z) return 0 //Atoms are not on turfs.
-	var/dy=end.y-start.y
-	var/dx=end.x-start.x
+/proc/Get_Angle(atom/start, atom/end)//For beams.
+	if(!start || !end)
+		return 0
+	if(!start.z)
+		start = get_turf(start)
+		if(!start)
+			return 0 //Atoms are not on turfs.
+	if(!end.z)
+		end = get_turf(end)
+		if(!end)
+			return 0 //Atoms are not on turfs.
+	var/dy = get_pixel_position_y(end) - get_pixel_position_y(start)
+	var/dx = get_pixel_position_x(end) - get_pixel_position_x(start)
 	if(!dy)
-		return (dx>=0)?4:8
-	var/angle=arctan(dx/dy)
-	if(dy<0)
-		angle+=180
-	else if(dx<0)
-		angle+=360
-
+		return (dx >= 0) ? 90 : 270
+	. = arctan(dx / dy)
+	if(dy < 0)
+		. += 180
+	else if(dx < 0)
+		. += 360
+
+/proc/Get_Pixel_Angle(dx, dy)//for getting the angle when animating something's pixel_x and pixel_y
+	var/da = (90 - Atan2(dx, dy))
+	return (da >= 0 ? da : da + 360)
+
+/proc/angle_to_dir(angle)
 	switch(angle) //diagonal directions get priority over straight directions in edge cases
 		if (22.5 to 67.5)
 			return NORTHEAST
@@ -151,6 +145,8 @@
 		else
 			return NORTH
 
+/proc/Get_Compass_Dir(atom/start, atom/end)//get_dir() only considers an object to be north/south/east/west if there is zero deviation. This uses rounding instead.
+	return angle_to_dir(Get_Angle(start, end))
 
 // Among other things, used by flamethrower and boiler spray to calculate if flame/spray can pass through.
 // Returns an atom for specific effects (primarily flames and acid spray) that damage things upon contact

code/modules/cm_marines/radar.dm

@@ -95,7 +95,7 @@
 
 	if(get_dist_euclidian(here_turf, target_turf) > 24)
 		userot = TRUE
-		rot = round(get_angle(here_turf, target_turf))
+		rot = round(Get_Angle(here_turf, target_turf))
 	else
 		if(target_turf.z > here_turf.z)
 			pointer="caret-up"

code/modules/cm_marines/smartgun_mount.dm

@@ -698,7 +698,7 @@
 	if(!istype(in_chamber, /obj/projectile))
 		return
 
-	var/angle = get_angle(T, U)
+	var/angle = Get_Angle(T, U)
 
 	if((dir == NORTH) && (angle > 180) && (abs(360 - angle) > shoot_degree)) // If north and shooting to the left, we do some extra math
 		return

code/modules/projectiles/projectile.dm

@@ -298,7 +298,7 @@
 
 	//Change the bullet angle to its visual path
 
-	var/vis_angle = get_pixel_angle(x = pixel_x_target - pixel_x_source, y = pixel_y_target - pixel_y_source) //naming vars because the proc takes y then x and that's WEIRD
+	var/vis_angle = Get_Pixel_Angle(pixel_x_target - pixel_x_source, pixel_y_target - pixel_y_source)
 	var/matrix/rotate = matrix()
 	rotate.Turn(vis_angle)
 	apply_transform(rotate)

code/modules/vehicles/hardpoints/hardpoint.dm

@@ -688,7 +688,7 @@
 	if(muzzle_turf == target_turf)
 		return FALSE
 
-	var/angle_diff = SIMPLIFY_DEGREES(dir2angle(dir) - get_angle(muzzle_turf, target_turf))
+	var/angle_diff = SIMPLIFY_DEGREES(dir2angle(dir) - Get_Angle(muzzle_turf, target_turf))
 	if(angle_diff < -180)
 		angle_diff += 360
 	else if(angle_diff > 180)