Sha256: 9ce69424826bb7d21743246435f6b03842ea526aec766f70e845952845c521a7
Contents?: true
Size: 923 Bytes
Versions: 5
Compression:
Stored size: 923 Bytes
Contents
# Texture from Jason Liebig's FLICKR collection of vintage labels and wrappers:
# http://www.flickr.com/photos/jasonliebigstuff/3739263136/in/photostream/
attr_reader :label, :can, :angle, :bw_shader
def setup
size(640, 360, P3D)
@label = load_image('lachoy.jpg')
@can = create_can(100, 200, 32, label)
@bw_shader = load_shader('bwfrag.glsl')
@angle = 0
end
def draw
background(0)
shader(bw_shader)
translate(width/2, height/2)
rotate_y(angle)
shape(can)
@angle += 0.01
end
def create_can(r, h, detail, tex)
texture_mode(NORMAL)
sh = create_shape
sh.begin_shape(QUAD_STRIP)
sh.no_stroke
sh.texture(tex)
(0 .. detail).each do |i|
angle = TAU / detail
x = sin(i * angle)
z = cos(i * angle)
u = i.to_f / detail
sh.normal(x, 0, z)
sh.vertex(x * r, -h/2, z * r, u, 0)
sh.vertex(x * r, +h/2, z * r, u, 1)
end
sh.end_shape
return sh
end
Version data entries
5 entries across 5 versions & 1 rubygems