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setSpriteColourSpeed()

Purpose

Set the colour speeds of a sprite

Description

Set the rates of change of the colours of a sprite. These are the amounts that the sprite colours are changed by when updatesprites is called

Syntax

setSpriteColourSpeed( sprite, rgbaSpeed )

setSpriteColourSpeed( sprite, rSpeed, gSpeed, bSpeed, aSpeed )

sprite.r_speed = rspeed; sprite.g_speed = gspeed; sprite.b_speed = bspeed; sprite.a_speed = aspeed

Arguments

sprite handle of the created sprite

rgbaSpeed amount to add to the red, green, blue and opacity of the sprite at each updatesprites call

rSpeed amount to add to the red colour of the sprite at each updatesprites call

gSpeed amount to add to the blue colour of the sprite at each updatesprites call

bSpeed amount to add to the green colour of the sprite at each updatesprites call

aSpeed amount to add to the opacity of the sprite at each updatesprites call

Example

image = loadImage( "Untied Games/Enemy small top C", false )
ship = createSprite()
setSpriteImage( ship, image )
lastpos = { gWidth() / 2, gHeight() / 2 }
setSpriteLocation( ship, lastpos )
setSpriteScale( ship, { 20, 20 } )
rv = -0.5
gv = 0.5
bv = 0

loop
    clear()
    sc = getSpriteColour( ship )
    if sc.r > 1 or sc.r < 0 then
        rv = -rv
    endIf
    if sc.b > 1 or sc.b < 0 then
        gv = -gv
    endIf
    setSpriteColourSpeed( ship, { rv, gv, bv, 0 } )
    updateSprites()
    drawSprites()
    update()
repeat

Associated Commands

getSpriteColour(), getSpriteColourSpeed(), setSpriteColour()

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