Getangle: Difference between revisions

Latest revision as of 01:36, 20 February 2020

getangle <return> <x> <y>

Returns the angle formed by the displacements <x> and <y>.

In most languages this function is known as arctan2.

To make one actor face another some subtraction is involved.

set X sprite[OTHER_SPRITE].x
set Y sprite[OTHER_SPRITE].y
sub X sprite[].x
sub Y sprite[].y
getangle ANG X Y

@@ Line 1: / Line 1: @@
-getangle <x> <y>
+'''getangle''' <return> <x> <y>
-Get's the angle formed by the displacements <x> and <y>. In most languages this function is known as arctan2.
+Returns the angle formed by the displacements <x> and <y>.
-NOTE: To make one actor face another some subtraction is involved. see [[make one actor face another]] in the examples.
+In most languages this function is known as arctan2.
+== Examples ==
+To make one actor face another some subtraction is involved.
+ set X sprite[OTHER_SPRITE].x
+ set Y sprite[OTHER_SPRITE].y
+ sub X sprite[].x
+ sub Y sprite[].y
+ getangle ANG X Y
+[[Category:EDuke32 specific commands]]
+[[Category:Gamevar manipulation]]