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--- love:interacting_with_boundaries [2021/10/05 02:46] – [Bounce] mithat
+++ love:interacting_with_boundaries [2021/10/05 02:52] – [Bounce] mithat
@@ Line 9: / Line 9: @@
 - Mithat Konar
 -------------------------------------]]--
------------------------
--- Utility functions --
------------------------
---[[ Convert a boolean value to a string representation. ]]--
-function booleanToStr(bool)
-    if bool then
-        return "true"
-    end
-    return "false"
-end
 --------------------
 -- LÖVE functions --
 --------------------
+a
 --[[ Create game globals and initial conditions. ]]--
 function love.load()
@@ Line 35: / Line 23: @@
     circleX = CIRCLE_SIZE   -- put circle in upper left of screen
     circleY = CIRCLE_SIZE   -- put circle in upper left of screen
-    isMoveRight = true      -- whether the circle is moving right or left (only needed for bounce)
 end
 --[[ Update values of game parameters. ]]--
 function love.update(dt)
---    -- wrap around
+    -- wrap around
---    circleX = circleX + CIRCLE_SPEED * dt
+    circleX = circleX + CIRCLE_H_SPEED * dt
---    if circleX > (love.graphics.getWidth() + CIRCLE_SIZE) then
+    -- if cicle is at or beyone the right edge, move it back to the left edge
---        circleX = -CIRCLE_SIZE
+    if circleX > (love.graphics.getWidth() + CIRCLE_SIZE) then
---    end
+        circleX = -CIRCLE_SIZE
---    -- "clip" the motion
---    circleX = circleX + CIRCLE_SPEED * dt
---    if circleX > (love.graphics.getWidth() - CIRCLE_SIZE) then
---        circleX = love.graphics.getWidth() - CIRCLE_SIZE
---    end
---    -- bounce
---    -- four possible cases:
---    --  moving right, not reached the edge  -> keep moving right
---    --  moving right, reached the edge      -> move left
---    --  moving left, not reached the edge   -> keep moving left
---    --  moving left, reached the edge       -> move right
---    if isMoveRight and circleX < (love.graphics.getWidth() - CIRCLE_SIZE) then      -- moving right, not reached the edgee
---        isMoveRight = true
---    elseif isMoveRight and circleX >= (love.graphics.getWidth() - CIRCLE_SIZE) then  -- moving right, reached the edge
---        isMoveRight = false
---    elseif not isMoveRight and circleX > (CIRCLE_SIZE) then                         -- moving left, not reached the edgee
---        isMoveRight = false
---    elseif not isMoveRight and circleX <= (CIRCLE_SIZE) then                         -- moving right, reached the edge
---        isMoveRight = true
---    end
-    -- bounce improved
-    if isMoveRight then
-        if circleX < (love.graphics.getWidth() - CIRCLE_SIZE) then  -- moving right, not reached the edgee
-            isMoveRight = true
-        else                                                        -- moving right, reached the edge
-            isMoveRight = false
-        end
-    else
-        if circleX > (CIRCLE_SIZE) then                             -- moving left, not reached the edgee
-            isMoveRight = false
-        else                                                        -- moving right, reached the edge
-            isMoveRight = true
-        end
-    end
-    if isMoveRight then
-        circleX = circleX + CIRCLE_H_SPEED * dt
-    else
-        circleX = circleX - CIRCLE_H_SPEED * dt
     end
 end
@@ Line 92: / Line 37: @@
 --[[ Render the game elements. ]]--
 function love.draw()
-    love.graphics.print('isMoveRight: ' .. booleanToStr(isMoveRight), 5,love.graphics.getHeight() - 24)
     love.graphics.circle("fill", circleX, circleY, CIRCLE_SIZE)
 end
@@ Line 209: / Line 153: @@
     if bool then
         return "true"
+    else
+        return "false"
     end
-    return "false"
 end