Fix eslint rule 'operator-assignment'

eslint --no-config-lookup --fix --rule '"operator-assignment": 1'

Ref: #7812
Signed-off-by: Ralph Sennhauser <ralph.sennhauser@gmail.com>

binaries/data/mods/public/globalscripts/Math.js

@@ -23,7 +23,7 @@ Math.cos = function(a)
 
 	// make b = 0 if a < pi/2 and b=1 if a > pi/2
 	var b = (a-Math.PI/2) + Math.abs(a-Math.PI/2);
-	b = b/(b+1e-30); // normalize b to one while avoiding divide by zero errors.
+	b /=(b+1e-30); // normalize b to one while avoiding divide by zero errors.
 
 	// if a > pi/2 send a to pi-a, otherwise just send a to -a which has no effect
 	// Using the symmetry cos(x) = -cos(pi-x) to bring a to the 0 to pi/2 range.
@@ -197,7 +197,7 @@ Math.exp = function(x)
 		return iPart;
 
 	// the integer part is known, work further with the decimal part of x
-	x = x - Math.floor(x); // x \in [0,1)
+	x -= Math.floor(x); // x \in [0,1)
 
 	// taylor series around 0
 	// max error ~=~ 10^(-16)

binaries/data/mods/public/maps/random/rmgen-common/player.js

@@ -759,7 +759,7 @@ function placeLine(teamsArray, distance, groupedDistance, startAngle)
 	const mapCenter = g_Map.getCenter();
 	const numAcross = 2 * getNumPlayers() / teamsArray.length; // if its two teams, numAcross is the same as numPlayers.
 	const dist = fractionToTiles(numAcross == 2 ? 0.45 : 0.66 + (-0.01 * numAcross));
-	groupedDistance = groupedDistance * (3.00 + (-0.225 * numAcross));
+	groupedDistance *= (3.00 + (-0.225 * numAcross));
 	for (let i = 0; i < teamsArray.length; ++i)
 	{
 		let safeDist = distance;

binaries/data/mods/public/simulation/components/UnitMotionFlying.js

@@ -210,7 +210,7 @@ UnitMotionFlying.prototype.OnUpdate = function(msg)
 			else if (pos.y > targetHeight)
 			{
 				pos.y = Math.max(targetHeight, pos.y - turnLength * this.template.ClimbRate);
-				this.pitch = -1 * this.pitch;
+				this.pitch *= -1;
 			}
 		}
 	}