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Made player movement snappier #57

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Made player movement snappier #57

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TFilson Jun 9, 2025
1fab5b2
Rewrote movement key handling to prevent letting go of a key from unc…
TFilson Jun 9, 2025
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40 changes: 32 additions & 8 deletions main.py
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Original file line number Diff line number Diff line change
Expand Up @@ -99,10 +99,12 @@ def isCollision(enemyX, enemyY, bulletX, bulletY):
return False


# default to going left
lastKeyL = True

# Game Loop
running = True
while running:

# RGB = Red, Green, Blue
screen.fill((0, 0, 0))
# Background Image
Expand All @@ -111,23 +113,45 @@ def isCollision(enemyX, enemyY, bulletX, bulletY):
if event.type == pygame.QUIT:
running = False

# if keystroke is pressed check whether its right or left
# if keystroke is pressed mark it as the most recent
if event.type == pygame.KEYDOWN:
if event.key == pygame.K_LEFT:
playerX_change = -5
lastKeyL = True
if event.key == pygame.K_RIGHT:
playerX_change = 5
lastKeyL = False
if event.key == pygame.K_SPACE:
if bullet_state is "ready":
bulletSound = mixer.Sound("laser.wav")
bulletSound.play()
# Get the current x cordinate of the spaceship
# Get the current x coordinate of the spaceship
bulletX = playerX
fire_bullet(bulletX, bulletY)

if event.type == pygame.KEYUP:
if event.key == pygame.K_LEFT or event.key == pygame.K_RIGHT:
playerX_change = 0
# determine which movement keys are held
keys = pygame.key.get_pressed()
if keys[pygame.K_LEFT]:
left = True
else:
left = False
if keys[pygame.K_RIGHT]:
right = True
else:
right = False

# determine velocity based on which keys are held in which order
if (not right) and (not left):
playerX_change = 0
else:
if right and left:
if lastKeyL:
playerX_change = -5
else:
playerX_change = 5
else:
if left:
playerX_change = -5
else:
playerX_change = 5

# 5 = 5 + -0.1 -> 5 = 5 - 0.1
# 5 = 5 + 0.1
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