Difference between revisions of "love.graphics.setColor"
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Sets the color used for drawing. | Sets the color used for drawing. | ||
+ | |||
+ | In versions prior to [[11.0]], color component values were within the range of 0 to 255 instead of 0 to 1. | ||
== Function == | == Function == | ||
=== Synopsis === | === Synopsis === | ||
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{{param|number|green|The amount of green.}} | {{param|number|green|The amount of green.}} | ||
{{param|number|blue|The amount of blue.}} | {{param|number|blue|The amount of blue.}} | ||
− | {{param|number|alpha ( | + | {{param|number|alpha (1)|The amount of alpha. The alpha value will be applied to all subsequent draw operations, even the drawing of an image.}} |
=== Returns === | === Returns === | ||
Nothing. | Nothing. | ||
== Function == | == Function == | ||
− | {{newin|[[0.7.0]]|type=variant}} | + | {{newin|[[0.7.0]]|070|type=variant}} |
=== Synopsis === | === Synopsis === | ||
<source lang="lua"> | <source lang="lua"> | ||
Line 20: | Line 22: | ||
</source> | </source> | ||
=== Arguments === | === Arguments === | ||
− | {{param|table|rgba|A numerical indexed table with the red, green, blue and alpha values as [[number]]s. The alpha is optional and defaults to | + | {{param|table|rgba|A numerical indexed table with the red, green, blue and alpha values as [[number]]s. The alpha is optional and defaults to 1 if it is left out.}} |
=== Returns === | === Returns === | ||
Nothing. | Nothing. | ||
Line 26: | Line 28: | ||
=== Draw a red, blue and green circle === | === Draw a red, blue and green circle === | ||
<source lang="lua"> | <source lang="lua"> | ||
− | love.graphics.setColor( | + | function love.draw() |
− | love.graphics.circle(50, 50 | + | love.graphics.setColor(1, 0, 0) |
+ | love.graphics.circle("fill", 50, 50, 20) | ||
− | love.graphics.setColor(0, 0, | + | love.graphics.setColor(0, 0, 1) |
− | love.graphics.circle(50, 100 | + | love.graphics.circle("fill", 50, 100, 20) |
− | myColor = {0, | + | myColor = {0, 1, 0, 1} |
− | love.graphics.setColor(myColor) | + | love.graphics.setColor(myColor) |
− | love.graphics.circle(50, 150 | + | love.graphics.circle("fill", 50, 150, 20) |
+ | end | ||
</source> | </source> | ||
=== Display a Venn diagram === | === Display a Venn diagram === | ||
Line 43: | Line 47: | ||
radius = 100 | radius = 100 | ||
offsetY = radius*.5*math.sqrt(3) | offsetY = radius*.5*math.sqrt(3) | ||
− | love.graphics.setBackgroundColor( | + | love.graphics.setBackgroundColor(1, 1, 1) |
end | end | ||
function love.draw() | function love.draw() | ||
− | love.graphics.setColor( | + | love.graphics.setColor(1, 0, 0, 0.4) |
− | love.graphics.circle('fill', baseX, baseY, radius | + | love.graphics.circle('fill', baseX, baseY, radius) |
− | love.graphics.setColor(0, | + | love.graphics.setColor(0, 1, 0, 0.4) |
− | love.graphics.circle('fill', baseX + radius / 2, baseY - offsetY, radius | + | love.graphics.circle('fill', baseX + radius / 2, baseY - offsetY, radius) |
− | love.graphics.setColor(0, 0, | + | love.graphics.setColor(0, 0, 1, 0.4) |
− | love.graphics.circle('fill', baseX + radius, baseY, radius | + | love.graphics.circle('fill', baseX + radius, baseY, radius) |
end | end | ||
</source> | </source> | ||
+ | |||
== See Also == | == See Also == | ||
* [[parent::love.graphics]] | * [[parent::love.graphics]] | ||
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{{#set:Description=Sets the color used for drawing.}} | {{#set:Description=Sets the color used for drawing.}} | ||
{{#set:Since=000}} | {{#set:Since=000}} | ||
+ | {{#set:Sub-Category=State}} | ||
== Other Languages == | == Other Languages == | ||
{{i18n|love.graphics.setColor}} | {{i18n|love.graphics.setColor}} |
Revision as of 21:08, 2 January 2020
Sets the color used for drawing.
In versions prior to 11.0, color component values were within the range of 0 to 255 instead of 0 to 1.
Contents
Function
Synopsis
love.graphics.setColor( red, green, blue, alpha )
Arguments
number red
- The amount of red.
number green
- The amount of green.
number blue
- The amount of blue.
number alpha (1)
- The amount of alpha. The alpha value will be applied to all subsequent draw operations, even the drawing of an image.
Returns
Nothing.
Function
Available since LÖVE 0.7.0 |
This variant is not supported in earlier versions. |
Synopsis
love.graphics.setColor( rgba )
Arguments
table rgba
- A numerical indexed table with the red, green, blue and alpha values as numbers. The alpha is optional and defaults to 1 if it is left out.
Returns
Nothing.
Examples
Draw a red, blue and green circle
function love.draw()
love.graphics.setColor(1, 0, 0)
love.graphics.circle("fill", 50, 50, 20)
love.graphics.setColor(0, 0, 1)
love.graphics.circle("fill", 50, 100, 20)
myColor = {0, 1, 0, 1}
love.graphics.setColor(myColor)
love.graphics.circle("fill", 50, 150, 20)
end
Display a Venn diagram
function love.load()
baseX = 300
baseY = 400
radius = 100
offsetY = radius*.5*math.sqrt(3)
love.graphics.setBackgroundColor(1, 1, 1)
end
function love.draw()
love.graphics.setColor(1, 0, 0, 0.4)
love.graphics.circle('fill', baseX, baseY, radius)
love.graphics.setColor(0, 1, 0, 0.4)
love.graphics.circle('fill', baseX + radius / 2, baseY - offsetY, radius)
love.graphics.setColor(0, 0, 1, 0.4)
love.graphics.circle('fill', baseX + radius, baseY, radius)
end
See Also
- love.graphics
- HSL color (an alternate color space, based on human perception)
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