MoveTowardsPoint2D: Difference between revisions

Latest revision as of 12:56, 18 October 2011

x₁, y₁ = position of object to move
x₂, y₂ = position to move to

direction = atan2(y₂-y₁, x₂ - x₁)*180/PI;

x₁ += cos(direction*PI/180)*movingSpeed;
y₁ += sin(direction*PI/180)*movingSpeed;

@@ Line 1: / Line 1: @@
 ===== Just the formula for now, no code examples (yet) =====
-object = thing to move, target = where to move
+x<sub>1</sub>, y<sub>1</sub> = position of object to move<br />
+x<sub>2</sub>, y<sub>2</sub> = position to move to<br />
-direction = atan2(targetY-objectY, targetX - objectX)*180/PI;
-objectx += cos(direction*PI/180)*movingSpeed;<br />
+direction = atan2(y<sub>2</sub>-y<sub>1</sub>, x<sub>2</sub> - x<sub>1</sub>)*180/PI;
-objecty += sin(direction*PI/180)*movingSpeed;
+x<sub>1</sub> += cos(direction*PI/180)*movingSpeed;<br />
+y<sub>1</sub> += sin(direction*PI/180)*movingSpeed;