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Fix player ship orientation and arrow position #2

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Fix player ship orientation and arrow position #2

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126df29
Fix player ship to orient towards mouse pointer
BrentNewhall Apr 7, 2022
ecf5ff9
Start arrows at center of player ship
BrentNewhall Apr 7, 2022
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4 changes: 2 additions & 2 deletions game.py
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Original file line number Diff line number Diff line change
Expand Up @@ -59,7 +59,7 @@
# 6.1 - Set player position and rotation
position = pygame.mouse.get_pos()
angle = math.atan2(position[1]-(playerpos[1]+32),position[0]-(playerpos[0]+26))
playerrot = pygame.transform.rotate(player, 360-angle*57)
playerrot = pygame.transform.rotate(player, 90-angle*57)
playerpos1 = (playerpos[0]-playerrot.get_rect().width/2, playerpos[1]-playerrot.get_rect().height/2)
screen.blit(playerrot, playerpos1)
# 6.2 - Draw arrows
Expand Down Expand Up @@ -153,7 +153,7 @@
#shoot.play()
position = pygame.mouse.get_pos()
acc[1] += 1
arrows.append([math.atan2(position[1]-(playerpos1[1]+32),position[0]-(playerpos1[0]+26)),playerpos1[0]+32,playerpos1[1]+32])
arrows.append([math.atan2(position[1]-(playerpos1[1]+64),position[0]-(playerpos1[0]+64)),playerpos1[0]+64,playerpos1[1]+64])
# 9 - Move player
if keys[0]:
playerpos[1] -= 5
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2 changes: 1 addition & 1 deletion step4.md
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Expand Up @@ -16,7 +16,7 @@ Then, replace the last line in section #6 (the player.blit line) with the follow
# 6.1 - Set player position and rotation
position = pygame.mouse.get_pos()
angle = math.atan2(position[1]-(playerpos[1]+32),position[0]-(playerpos[0]+26))
playerrot = pygame.transform.rotate(player, 360-angle*57.29)
playerrot = pygame.transform.rotate(player, 90-angle*57.29)
playerpos1 = (playerpos[0]-playerrot.get_rect().width/2, playerpos[1]-playerrot.get_rect().height/2)
screen.blit(playerrot, playerpos1)
```
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2 changes: 1 addition & 1 deletion step5.md
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Original file line number Diff line number Diff line change
Expand Up @@ -25,7 +25,7 @@ Now when a user clicks the mouse, an arrow needs to fire. Add the following to t
if event.type==pygame.MOUSEBUTTONDOWN:
position=pygame.mouse.get_pos()
acc[1]+=1
arrows.append([math.atan2(position[1]-(playerpos1[1]+32),position[0]-(playerpos1[0]+26)),playerpos1[0]+32,playerpos1[1]+32])
arrows.append([math.atan2(position[1]-(playerpos1[1]+64),position[0]-(playerpos1[0]+64)),playerpos1[0]+64,playerpos1[1]+64])
```

This code checks if the mouse was clicked and if it was, it gets the mouse position and calculates the arrow rotation based on the rotated player position and the cursor position. This rotation value is stored in the arrows array.
Expand Down