Difference between revisions of "love.graphics.setColor"
m (→Display a Venn diagram) |
m |
||
Line 28: | 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(1, 0, 0) | + | 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, 1) | + | love.graphics.setColor(0, 0, 1) |
− | love.graphics.circle(50, 100, 20, 20) | + | love.graphics.circle("fill", 50, 100, 20, 20) |
− | myColor = {0, 1, 0, 1} | + | myColor = {0, 1, 0, 1} |
− | love.graphics.setColor(myColor) | + | love.graphics.setColor(myColor) |
− | love.graphics.circle(50, 150, 20, 20) | + | love.graphics.circle("fill", 50, 150, 20, 20) |
+ | end | ||
</source> | </source> | ||
=== Display a Venn diagram === | === Display a Venn diagram === | ||
Line 49: | Line 51: | ||
function love.draw() | function love.draw() | ||
− | love.graphics.setColor(1, 0, 0, | + | love.graphics.setColor(1, 0, 0, 0.4) |
love.graphics.circle('fill', baseX, baseY, radius, 50) | love.graphics.circle('fill', baseX, baseY, radius, 50) | ||
− | love.graphics.setColor(0, 1, 0, | + | love.graphics.setColor(0, 1, 0, 0.4) |
love.graphics.circle('fill', baseX + radius / 2, baseY - offsetY, radius, 50) | love.graphics.circle('fill', baseX + radius / 2, baseY - offsetY, radius, 50) | ||
− | love.graphics.setColor(0, 0, 1, | + | love.graphics.setColor(0, 0, 1, 0.4) |
love.graphics.circle('fill', baseX + radius, baseY, radius, 50) | love.graphics.circle('fill', baseX + radius, baseY, radius, 50) | ||
end | end |
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, 20)
myColor = {0, 1, 0, 1}
love.graphics.setColor(myColor)
love.graphics.circle("fill", 50, 150, 20, 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, 50)
love.graphics.setColor(0, 1, 0, 0.4)
love.graphics.circle('fill', baseX + radius / 2, baseY - offsetY, radius, 50)
love.graphics.setColor(0, 0, 1, 0.4)
love.graphics.circle('fill', baseX + radius, baseY, radius, 50)
end
See Also
- love.graphics
- HSL color (an alternate color space, based on human perception)
Other Languages
Dansk –
Deutsch –
English –
Español –
Français –
Indonesia –
Italiano –
Lietuviškai –
Magyar –
Nederlands –
Polski –
Português –
Română –
Slovenský –
Suomi –
Svenska –
Türkçe –
Česky –
Ελληνικά –
Български –
Русский –
Српски –
Українська –
עברית –
ไทย –
日本語 –
正體中文 –
简体中文 –
Tiếng Việt –
한국어
More info