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breakout: collision with paddle

Signed-off-by: Thomas Buck <thomas@venom.fritz.box>
Jannis 8 months ago
parent
commit
8ff126684a
1 changed files with 17 additions and 10 deletions
  1. 17
    10
      breakout.py

+ 17
- 10
breakout.py View File

@@ -62,7 +62,7 @@ class Breakout:
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         self.maxScore = 5 * (self.gui.width - 2)
63 63
 
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         # TODO easy mode
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-        self.nothing_to_lose = True
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+        self.nothing_to_lose = False
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         DrawText = util.getTextDrawer()
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         self.text = DrawText(self.gui, self.text_c)
@@ -136,15 +136,6 @@ class Breakout:
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         if self.ball[1] <= 0:
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             self.ball[3] = -self.ball[3]
138 138
 
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-        # check for collision with paddle
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-        if (self.ball[1] == self.gui.height - 2) and (self.ball[0] >= (self.player - int(self.paddle_width / 2))) and (self.ball[0] <= (self.player + int(self.paddle_width / 2))):
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-            # TODO angle for bounce from paddle
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-            #self.ball[3] = -self.ball[3]
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-            d = self.ball[0] - (self.player - (self.paddle_width / 2))
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-            angle = (d / self.paddle_width - 0.5) / 2 * 3.14159
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-            print(math.degrees(angle))
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-            self.ball[2] = math.cos(angle) * math.sqrt(2)
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-            self.ball[3] = math.sin(angle) * math.sqrt(2)
148 139
 
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         # check for collision with floor
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         if self.ball[1] >= self.gui.height - 1:
@@ -155,6 +146,22 @@ class Breakout:
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                 self.place()
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                 self.lives -= 1
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+        # check for collision with paddle
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+        elif self.ball[1] >= self.gui.height - 2:
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+            pos_on_paddle = self.player - self.ball[0]
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+            if abs(pos_on_paddle) > self.paddle_width/2:
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+                return
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+
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+            # if hit exactly in the middle the direction of the angle depens on the x-direction in came from
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+            if pos_on_paddle == 0:
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+                pos_on_paddle = -0.5 if self.ball[3] > 0 else 0.5
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+
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+            # small angles in the middle, big angles at the end of the paddle (angle measured against the orthogonal of the paddle)
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+            angle_degree = 80 * pos_on_paddle / (self.paddle_width/2)
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+            self.ball[2] = -1 * math.sin(angle_degree/180*3.14159) * math.sqrt(2)
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+            self.ball[3] = -1 * math.cos(angle_degree/180*3.14159) * math.sqrt(2)
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+
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+
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     def finishedEndScreen(self):
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         if self.score >= self.maxScore:
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             return self.winText.finished()

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