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Newcomers DBPro Corner / sprite speeds

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Gatorules

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Joined: 17th Dec 2008

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Posted: 24th Dec 2008 03:44

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This will sound like a stupid question but is there any way to test if a sprite is moving by saying something like dbspritespeed>0 or just anything that will see if it is moving?

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Pillarofire

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Joined: 31st Dec 2003

Location: Good Question, <looks around.>

Posted: 24th Dec 2008 09:33

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Since you are in complete control of how and when it moves, then yes you just test its velocity, if indeed you told it to move by said velocity.

for example:

+ Code Snippet

 

do

 move sprite sprNum, velocity#

 if velocity# > 0.0 then SpriteIsMoving = 1

loop

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DsarchyUK

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Joined: 21st Nov 2008

Location: UK

Posted: 25th Dec 2008 20:29

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If you want Real time data on your Sprite movements, for example for debugging, you can always refer to the variable and use it in a print/text statement.

For example if you had a sprite using XPOS and YPOS.

+ Code Snippet

Paste Sprite 1, XPOS, YPOS

you could then use something like

+ Code Snippet

Print "Sprite Xpos: " + Str$(XPOS)
Print "Sprite Ypos: " + Str$(YPOS)

Working Example:

+ Code Snippet

sync on

`get Sprite
box 0,0,100,100
get image 1,0,0,100,100
sprite 1,0,0,1
hide sprite 1

Xpos#=100
Ypos#=100

do
cls

`Use Var to position sprites
paste sprite 1,Xpos#, Ypos#

`Simple Controls to Change sprite X Position
if rightkey()=1 then inc Xpos#,1
if leftkey()=1 then dec Xpos#,1

`Check the Var value to see if it changed, or if the sprite is moving
Print "Sprite Xpos: " + Str$(Xpos#)
Print "Sprite Ypos: " + Str$(Ypos#)

sync
loop

<ahref="http://dsarchy.deviantart.com/">My deviant page </a>

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Newcomers DBPro Corner / sprite speeds