Fixed coordinate system and finally got zoom working

main.rb

@@ -24,7 +24,7 @@ GAME_PRODUCER_BASE_SPEED = 1
 # Camera settings
 CAMERA_MOVE_RANGE = 10
 CAMERA_MOVE_SPEED = 1
-CAMERA_MOVE_MAX_SPEED = 5
+CAMERA_MOVE_MAX_SPEED = 1 # (CAMERA_MOVE_RANGE * CAMERA_MOVE_SPEED / 3).to_i
 CAMERA_MIN_ZOOM = 16 # Boxes across
 CAMERA_MAX_ZOOM = 80 # Boxes across
 
@@ -92,6 +92,61 @@ class NumFactory < Gosu::Window
           end
         end
       end
+      @producers.append(
+              Producer.new(
+                0,
+                0,
+                (Math.sqrt((0 - center_x)**2 + (0 - center_y) ** 2) * GAME_PRODUCER_VALUE_MULT).to_i,
+                GAME_PRODUCER_BASE_SPEED,
+                BOX_SIZE,
+                WIDTH,
+                HEIGHT,
+              )
+      )
+      @producers.append(
+              Producer.new(
+                2,
+                2,
+                (Math.sqrt((2 - center_x)**2 + (2 - center_y) ** 2) * GAME_PRODUCER_VALUE_MULT).to_i,
+                GAME_PRODUCER_BASE_SPEED,
+                BOX_SIZE,
+                WIDTH,
+                HEIGHT,
+              )
+      )
+      @producers.append(
+              Producer.new(
+                2,
+                0,
+                (Math.sqrt((2 - center_x)**2 + (0 - center_y) ** 2) * GAME_PRODUCER_VALUE_MULT).to_i,
+                GAME_PRODUCER_BASE_SPEED,
+                BOX_SIZE,
+                WIDTH,
+                HEIGHT,
+              )
+      )
+      @producers.append(
+              Producer.new(
+                0,
+                2,
+                (Math.sqrt((0 - center_x)**2 + (2 - center_y) ** 2) * GAME_PRODUCER_VALUE_MULT).to_i,
+                GAME_PRODUCER_BASE_SPEED,
+                BOX_SIZE,
+                WIDTH,
+                HEIGHT,
+              )
+            )
+      @producers.append(
+              Producer.new(
+                10,
+                10,
+                1000,
+                GAME_PRODUCER_BASE_SPEED,
+                BOX_SIZE,
+                WIDTH,
+                HEIGHT,
+              )
+            )
     end # End file loading
 
     # Move the camera to the center of the map:
@@ -164,15 +219,15 @@ class NumFactory < Gosu::Window
     ### CAMERA ###
     # Move the camera if needed
     if self.mouse_x < CAMERA_MOVE_RANGE
-      @camera_x -= ([(CAMERA_MOVE_SPEED * ((CAMERA_MOVE_RANGE - self.mouse_x ) / 5)).to_i, CAMERA_MOVE_MAX_SPEED].min * delta_mult)
+      @camera_x -= 1#([(CAMERA_MOVE_SPEED * ((CAMERA_MOVE_RANGE - self.mouse_x ) / 2)).to_i, CAMERA_MOVE_MAX_SPEED].min * delta_mult)
     elsif self.mouse_x > WIDTH - CAMERA_MOVE_RANGE
-      @camera_x += ([(CAMERA_MOVE_SPEED * ((CAMERA_MOVE_RANGE - (WIDTH - self.mouse_x) ) / 2)).to_i, CAMERA_MOVE_MAX_SPEED].min * delta_mult)
+      @camera_x += 1#([(CAMERA_MOVE_SPEED * ((CAMERA_MOVE_RANGE - (WIDTH - self.mouse_x) ) / 2)).to_i, CAMERA_MOVE_MAX_SPEED].min * delta_mult)
     end
     
     if self.mouse_y < CAMERA_MOVE_RANGE
-      @camera_y -= ([(CAMERA_MOVE_SPEED * ((CAMERA_MOVE_RANGE - self.mouse_y ) / 2)).to_i, CAMERA_MOVE_MAX_SPEED].min * delta_mult)
+      @camera_y -= 1#([(CAMERA_MOVE_SPEED * ((CAMERA_MOVE_RANGE - self.mouse_y ) / 2)).to_i, CAMERA_MOVE_MAX_SPEED].min * delta_mult)
     elsif self.mouse_y > HEIGHT - CAMERA_MOVE_RANGE
-      @camera_y += ([(CAMERA_MOVE_SPEED * ((CAMERA_MOVE_RANGE - (HEIGHT - (self.mouse_y + 1)) ) / 2)).to_i, CAMERA_MOVE_MAX_SPEED].min * delta_mult)
+      @camera_y += 1#([(CAMERA_MOVE_SPEED * ((CAMERA_MOVE_RANGE - (HEIGHT - (self.mouse_y + 1)) ) / 2)).to_i, CAMERA_MOVE_MAX_SPEED].min * delta_mult)
     end
     
     # Prevent camera from leaving the screen