PureBasic Forums - English

Posted: **Fri Jul 16, 2010 5:18 pm**

Hi,

in wanna check if the crosshair is above a visible pixel of a sprite.

I load 2 sprites:

CatchSprite(#Sprite_Crosshair,?Image2):DataSection:Image2:IncludeBinary "gfx\crosshair.bmp":EndDataSection
CatchSprite(#Sprite_Building,?Image6):DataSection:Image6:IncludeBinary "gfx\building.bmp":EndDataSection

I place the building (with some transparent windows) on the screen:

Code: Select all

DisplayTransparentSprite(#Sprite_Building,300,150)

Now i want to check the collision:

Code: Select all

If SpritePixelCollision(#Sprite_Crosshair,MouseX(),MouseY(),#Sprite_Building,MouseX(),MouseY()) And MouseButton(1)

; do something

EndIf

Are the parameters for the building correct? Because it's on a fixed place... or should i put there the values of it's position (300,150) in instead of the mouse positions?

Thanks,
PHP

Posted: **Fri Jul 16, 2010 5:31 pm**

You need to put the building position. Also, you may need to adjust your collision test coords for the mousepos to determine if the center of the crosshairs sprite is in collision with the building, as the top-left may not suffice.

PureBasic Forums - English

2D: SpritePixelCollision with transparent Sprite

2D: SpritePixelCollision with transparent Sprite

Re: 2D: SpritePixelCollision with transparent Sprite