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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
generated by cgit v1.2.3 (git 2.39.1) at 2026-04-14 08:39:35 +0000