Sha256: 674874df7ec9c513b61fb8fb1dbb8ab74160dda57118b33153eb8f7686b34141
Contents?: true
Size: 961 Bytes
Versions: 10
Compression:
Stored size: 961 Bytes
Contents
# Simple Linear Gradient
#
# The lerp_color function is useful for interpolating
# between two colors.
#
Y_AXIS = 1
X_AXIS = 2
def setup
size 640, 360
# Define colors
b1 = color(255)
b2 = color(0)
c1 = color(204, 102, 0)
c2 = color(0, 102, 153)
# Background
set_gradient(0, 0, width/2, height, b1, b2, X_AXIS)
set_gradient(width/2, 0, width/2, height, b2, b1, X_AXIS)
# Foreground
set_gradient(50, 90, 540, 80, c1, c2, Y_AXIS)
set_gradient(50, 190, 540, 80, c2, c1, X_AXIS)
end
def set_gradient(x, y, w, h, c1, c2, axis )
no_fill
if (axis == Y_AXIS) # Top to bottom gradient
(y ... y + h).each do |i|
inter = map(i, y, y + h, 0, 1)
stroke lerp_color(c1, c2, inter)
line(x, i, x + w, i)
end
elsif (axis == X_AXIS) # Left to right gradient
(x ... x + w).each do |i|
inter = map(i, x, x + w, 0, 1)
stroke lerp_color(c1, c2, inter)
line(i, y, i, y + h)
end
end
end
Version data entries
10 entries across 10 versions & 1 rubygems