Sha256: a280d36d4fb3c99f97d270a572acd5576f4beb22e725e52bfba3ba7c3b3e4ba5
Contents?: true
Size: 1021 Bytes
Versions: 9
Compression:
Stored size: 1021 Bytes
Contents
# Texture 3.
#
# Load an image and draw it onto a cylinder and a quad.
attr_reader :tube_res, :tube_x, :tube_y, :img
def setup
size 640, 360, P3D
@tube_res = 32
@tube_x = []
@tube_y = []
@img = load_image "berlin-1.jpg"
angle = 270.0 / tube_res
(0...tube_res).each { |i|
tube_x.push cos( radians( i * angle ) )
tube_y.push sin( radians( i * angle ) )
}
no_stroke
end
def draw
background 0
translate width/2, height/2
rotate_x map( mouse_y, 0, height, -PI, PI )
rotate_y map( mouse_x, 0, width, -PI, PI )
begin_shape QUAD_STRIP
texture img
(0...tube_res).each { |i|
x = tube_x[i] * 100
z = tube_y[i] * 100
u = img.width / tube_res * i
vertex x, -100, z, u, 0
vertex x, 100, z, u, img.height
}
end_shape
begin_shape QUADS
texture img
vertex 0, -100, 0, 0, 0
vertex 100, -100, 0, 100, 0
vertex 100, 100, 0, 100, 100
vertex 0, 100, 0, 0, 100
end_shape
end
Version data entries
9 entries across 9 versions & 1 rubygems