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|
class Game
attr_gtk
def tick
defaults
render
input
end
def matrix_mul m, v
(hmap x: ((m.x.x * v.x) + (m.x.y * v.y) + (m.x.z * v.z) + (m.x.w * v.w)),
y: ((m.y.x * v.x) + (m.y.y * v.y) + (m.y.z * v.z) + (m.y.w * v.w)),
z: ((m.z.x * v.x) + (m.z.y * v.y) + (m.z.z * v.z) + (m.z.w * v.w)),
w: ((m.w.x * v.x) + (m.w.y * v.y) + (m.w.z * v.z) + (m.w.w * v.w)))
end
def player_ship
[
# engine back
{ x: -1, y: -1, z: 1, w: 0 },
{ x: -1, y: 1, z: 1, w: 0 },
{ x: -1, y: 1, z: 1, w: 0 },
{ x: 1, y: 1, z: 1, w: 0 },
{ x: 1, y: 1, z: 1, w: 0 },
{ x: 1, y: -1, z: 1, w: 0 },
{ x: 1, y: -1, z: 1, w: 0 },
{ x: -1, y: -1, z: 1, w: 0 },
# engine front
{ x: -1, y: -1, z: -1, w: 0 },
{ x: -1, y: 1, z: -1, w: 0 },
{ x: -1, y: 1, z: -1, w: 0 },
{ x: 1, y: 1, z: -1, w: 0 },
{ x: 1, y: 1, z: -1, w: 0 },
{ x: 1, y: -1, z: -1, w: 0 },
{ x: 1, y: -1, z: -1, w: 0 },
{ x: -1, y: -1, z: -1, w: 0 },
# engine left
{ x: -1, z: -1, y: -1, w: 0 },
{ x: -1, z: -1, y: 1, w: 0 },
{ x: -1, z: -1, y: 1, w: 0 },
{ x: -1, z: 1, y: 1, w: 0 },
{ x: -1, z: 1, y: 1, w: 0 },
{ x: -1, z: 1, y: -1, w: 0 },
{ x: -1, z: 1, y: -1, w: 0 },
{ x: -1, z: -1, y: -1, w: 0 },
# engine right
{ x: 1, z: -1, y: -1, w: 0 },
{ x: 1, z: -1, y: 1, w: 0 },
{ x: 1, z: -1, y: 1, w: 0 },
{ x: 1, z: 1, y: 1, w: 0 },
{ x: 1, z: 1, y: 1, w: 0 },
{ x: 1, z: 1, y: -1, w: 0 },
{ x: 1, z: 1, y: -1, w: 0 },
{ x: 1, z: -1, y: -1, w: 0 },
# top front of engine to front of ship
{ x: 1, y: 1, z: 1, w: 0 },
{ x: 0, y: -1, z: 9, w: 0 },
{ x: 0, y: -1, z: 9, w: 0 },
{ x: -1, y: 1, z: 1, w: 0 },
# bottom front of engine
{ x: 1, y: -1, z: 1, w: 0 },
{ x: 0, y: -1, z: 9, w: 0 },
{ x: -1, y: -1, z: 1, w: 0 },
{ x: 0, y: -1, z: 9, w: 0 },
# right wing
# front of wing
{ x: 1, y: 0.10, z: 1, w: 0 },
{ x: 9, y: 0.10, z: -1, w: 0 },
{ x: 9, y: 0.10, z: -1, w: 0 },
{ x: 10, y: 0.10, z: -2, w: 0 },
# back of wing
{ x: 1, y: 0.10, z: -1, w: 0 },
{ x: 9, y: 0.10, z: -1, w: 0 },
{ x: 10, y: 0.10, z: -2, w: 0 },
{ x: 8, y: 0.10, z: -1, w: 0 },
# front of wing
{ x: 1, y: -0.10, z: 1, w: 0 },
{ x: 9, y: -0.10, z: -1, w: 0 },
{ x: 9, y: -0.10, z: -1, w: 0 },
{ x: 10, y: -0.10, z: -2, w: 0 },
# back of wing
{ x: 1, y: -0.10, z: -1, w: 0 },
{ x: 9, y: -0.10, z: -1, w: 0 },
{ x: 10, y: -0.10, z: -2, w: 0 },
{ x: 8, y: -0.10, z: -1, w: 0 },
# left wing
# front of wing
{ x: -1, y: 0.10, z: 1, w: 0 },
{ x: -9, y: 0.10, z: -1, w: 0 },
{ x: -9, y: 0.10, z: -1, w: 0 },
{ x: -10, y: 0.10, z: -2, w: 0 },
# back of wing
{ x: -1, y: 0.10, z: -1, w: 0 },
{ x: -9, y: 0.10, z: -1, w: 0 },
{ x: -10, y: 0.10, z: -2, w: 0 },
{ x: -8, y: 0.10, z: -1, w: 0 },
# front of wing
{ x: -1, y: -0.10, z: 1, w: 0 },
{ x: -9, y: -0.10, z: -1, w: 0 },
{ x: -9, y: -0.10, z: -1, w: 0 },
{ x: -10, y: -0.10, z: -2, w: 0 },
# back of wing
{ x: -1, y: -0.10, z: -1, w: 0 },
{ x: -9, y: -0.10, z: -1, w: 0 },
{ x: -10, y: -0.10, z: -2, w: 0 },
{ x: -8, y: -0.10, z: -1, w: 0 },
# left fin
# top
{ x: -1, y: 0.10, z: 1, w: 0 },
{ x: -1, y: 3, z: -3, w: 0 },
{ x: -1, y: 0.10, z: -1, w: 0 },
{ x: -1, y: 3, z: -3, w: 0 },
{ x: -1.1, y: 0.10, z: 1, w: 0 },
{ x: -1.1, y: 3, z: -3, w: 0 },
{ x: -1.1, y: 0.10, z: -1, w: 0 },
{ x: -1.1, y: 3, z: -3, w: 0 },
# bottom
{ x: -1, y: -0.10, z: 1, w: 0 },
{ x: -1, y: -2, z: -2, w: 0 },
{ x: -1, y: -0.10, z: -1, w: 0 },
{ x: -1, y: -2, z: -2, w: 0 },
{ x: -1.1, y: -0.10, z: 1, w: 0 },
{ x: -1.1, y: -2, z: -2, w: 0 },
{ x: -1.1, y: -0.10, z: -1, w: 0 },
{ x: -1.1, y: -2, z: -2, w: 0 },
# right fin
{ x: 1, y: 0.10, z: 1, w: 0 },
{ x: 1, y: 3, z: -3, w: 0 },
{ x: 1, y: 0.10, z: -1, w: 0 },
{ x: 1, y: 3, z: -3, w: 0 },
{ x: 1.1, y: 0.10, z: 1, w: 0 },
{ x: 1.1, y: 3, z: -3, w: 0 },
{ x: 1.1, y: 0.10, z: -1, w: 0 },
{ x: 1.1, y: 3, z: -3, w: 0 },
# bottom
{ x: 1, y: -0.10, z: 1, w: 0 },
{ x: 1, y: -2, z: -2, w: 0 },
{ x: 1, y: -0.10, z: -1, w: 0 },
{ x: 1, y: -2, z: -2, w: 0 },
{ x: 1.1, y: -0.10, z: 1, w: 0 },
{ x: 1.1, y: -2, z: -2, w: 0 },
{ x: 1.1, y: -0.10, z: -1, w: 0 },
{ x: 1.1, y: -2, z: -2, w: 0 },
]
end
def defaults
state.points ||= player_ship
state.shifted_points ||= state.points.map { |point| point }
state.scale ||= 1
state.angle_x ||= 0
state.angle_y ||= 0
state.angle_z ||= 0
end
def matrix_new x0, y0, z0, w0, x1, y1, z1, w1, x2, y2, z2, w2, x3, y3, z3, w3
(hmap x: (hmap x: x0, y: y0, z: z0, w: w0),
y: (hmap x: x1, y: y1, z: z1, w: w1),
z: (hmap x: x2, y: y2, z: z2, w: w2),
w: (hmap x: x3, y: y3, z: z3, w: w3))
end
def angle_z_matrix degrees
cos_t = Math.cos degrees.to_radians
sin_t = Math.sin degrees.to_radians
(matrix_new cos_t, -sin_t, 0, 0,
sin_t, cos_t, 0, 0,
0, 0, 1, 0,
0, 0, 0, 1)
end
def angle_y_matrix degrees
cos_t = Math.cos degrees.to_radians
sin_t = Math.sin degrees.to_radians
(matrix_new cos_t, 0, sin_t, 0,
0, 1, 0, 0,
-sin_t, 0, cos_t, 0,
0, 0, 0, 1)
end
def angle_x_matrix degrees
cos_t = Math.cos degrees.to_radians
sin_t = Math.sin degrees.to_radians
(matrix_new 1, 0, 0, 0,
0, cos_t, -sin_t, 0,
0, sin_t, cos_t, 0,
0, 0, 0, 1)
end
def scale_matrix factor
(matrix_new factor, 0, 0, 0,
0, factor, 0, 0,
0, 0, factor, 0,
0, 0, 0, 1)
end
def input
if (inputs.keyboard.shift && inputs.keyboard.p)
state.scale -= 0.1
elsif inputs.keyboard.p
state.scale += 0.1
end
if inputs.mouse.wheel
state.scale += inputs.mouse.wheel.y
end
state.scale = state.scale.clamp(0.1, 1000)
if (inputs.keyboard.shift && inputs.keyboard.y) || inputs.keyboard.right
state.angle_y += 1
elsif (inputs.keyboard.y) || inputs.keyboard.left
state.angle_y -= 1
end
if (inputs.keyboard.shift && inputs.keyboard.x) || inputs.keyboard.down
state.angle_x -= 1
elsif (inputs.keyboard.x || inputs.keyboard.up)
state.angle_x += 1
end
if inputs.keyboard.shift && inputs.keyboard.z
state.angle_z += 1
elsif inputs.keyboard.z
state.angle_z -= 1
end
if inputs.keyboard.zero
state.angle_x = 0
state.angle_y = 0
state.angle_z = 0
end
angle_x = state.angle_x
angle_y = state.angle_y
angle_z = state.angle_z
scale = state.scale
s_matrix = scale_matrix state.scale
x_matrix = angle_z_matrix angle_z
y_matrix = angle_y_matrix angle_y
z_matrix = angle_x_matrix angle_x
state.shifted_points = state.points.map do |point|
(matrix_mul s_matrix,
(matrix_mul z_matrix,
(matrix_mul x_matrix,
(matrix_mul y_matrix, point)))).merge(original: point)
end
end
def thick_line line
[
line.merge(y: line.y - 1, y2: line.y2 - 1, r: 0, g: 0, b: 0),
line.merge(x: line.x - 1, x2: line.x2 - 1, r: 0, g: 0, b: 0),
line.merge(x: line.x - 0, x2: line.x2 - 0, r: 0, g: 0, b: 0),
line.merge(y: line.y + 1, y2: line.y2 + 1, r: 0, g: 0, b: 0),
line.merge(x: line.x + 1, x2: line.x2 + 1, r: 0, g: 0, b: 0)
]
end
def render
outputs.lines << state.shifted_points.each_slice(2).map do |(p1, p2)|
perc = 0
thick_line({ x: p1.x.*(10) + 640, y: p1.y.*(10) + 320,
x2: p2.x.*(10) + 640, y2: p2.y.*(10) + 320,
r: 255 * perc,
g: 255 * perc,
b: 255 * perc })
end
outputs.labels << [ 10, 700, "angle_x: #{state.angle_x.to_sf}", 0]
outputs.labels << [ 10, 670, "x, shift+x", 0]
outputs.labels << [210, 700, "angle_y: #{state.angle_y.to_sf}", 0]
outputs.labels << [210, 670, "y, shift+y", 0]
outputs.labels << [410, 700, "angle_z: #{state.angle_z.to_sf}", 0]
outputs.labels << [410, 670, "z, shift+z", 0]
outputs.labels << [610, 700, "scale: #{state.scale.to_sf}", 0]
outputs.labels << [610, 670, "p, shift+p", 0]
end
end
$game = Game.new
def tick args
$game.args = args
$game.tick
end
def set_angles x, y, z
$game.state.angle_x = x
$game.state.angle_y = y
$game.state.angle_z = z
end
$gtk.reset
|
