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bimsim.lua
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bimsim.lua
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-- title: game title
-- author: game developer, email, etc.
-- desc: short description
-- site: website link
-- license: MIT License (change this to your license of choice)
-- version: 0.1
-- script: lua
local vectmt = {} vectmt.__index = vectmt local function vect(x, y, z) return setmetatable({ x = tonumber(x) or 0, y = tonumber(y) or 0, z = tonumber(z) or 0 }, vectmt) end function vectmt.__add(self, other) return vect(self.x + other.x, self.y + other.y, self.z + other.z) end function vectmt.__sub(self, other) return vect(self.x - other.x, self.y - other.y, self.z - other.z) end function vectmt.__mul(self, num) return vect(self.x*num, self.y*num, self.z*num) end function vectmt.__div(self, num) return vect(self.x/num, self.y/num, self.z/num) end function vectmt.__unm(self) return vect(-self.x, -self.y, -self.z) end function vectmt.__tostring(self) return ('(%i, %i, %i)'):format(x, Bim.acc, z) end function vectmt.dot(self, other) return self.x*other.x + self.y*other.y + self.z*other.z end function vectmt.cross(self, other) return vect( self.y*other.z - self.z*other.y, self.z*other.x - self.x*other.z, self.x*other.y - self.y*other.x ) end function vectmt.len(self) return math.sqrt(self.x*self.x + self.y*self.y + self.z*self.z) end function vectmt.len2(self) return self.x*self.x + self.y*self.y + self.z*self.z end function vectmt.norm(self) return self:__div(self:len()) end function vectmt.round(self, t) t = t or 1 return vect( math.floor((self.x + t * 0.5) / t) * t, math.floor((self.y + t * 0.5) / t) * t, math.floor((self.z + t * 0.5) / t) * t ) end
Vec3 = vect
function clamp(x,x_min,x_max)
return math.min( math.max( x, x_min ), x_max )
end
function bezier(p0,p1,p2,p3)
local c = (p1-p0)*3
local b = (p2-p1)*3 - c
local a = p3 - p0 - c - b
local bezierT = function (t)
return (a * t^3 + b*t^2) + c * t + p0
end
return bezierT
end
function curveLine(p0, p1, p2, p3, c)
local p_from,p_dest = p0, nil
local c = c or 12
local accuracy = 0.05
local bezierT = bezier(p0, p1, p2, p3)
for i = 0, 1+accuracy, accuracy do
p_dest = bezierT(i)
line(p_from.x, p_from.y, p_dest.x, p_dest.y, c)
p_from = p_dest
end
end
function curvePoly(p0, p1, p2, p3, p_0, p_1, p_2, p_3, color)
local p_1 = p_1 or p1 + (p_0 - p0)
local p_3 = p_3 or p3 + (p_0 - p0)
local p_2 = p_2 or p2 + (p_3 - p3)
local color = color or 12
local accuracy = 0.05
local bezierT = bezier(p0, p1, p2, p3)
local bezierT_ = bezier(p_0, p_1, p_2, p_3)
local p_from, p_dest, p_from_, p_dest_ = p0, nil, p_0, nil
for i = 0, 1+accuracy, accuracy do
p_dest = bezierT(i)
p_dest_ = bezierT_(i)
line(p_from.x, p_from.y, p_dest.x, p_dest.y, color)
line(p_from_.x, p_from_.y, p_dest_.x, p_dest.y_, color)
p_from = p_dest
p_from_ = p_dest_
end
end
Res = vect(240,136)
HalfRes = Res / 2
sound_played = 0
T=0
Friction = 0.98^2
X = -100
Level= {
from="S:Station1",
to="S:Station2",
draw=function ()
local bez = function(...)
local pathPoints = {...}
end
--draw in clipped area 240,104
cls(14)
rect(0,60,240,60,13)
local t_x = 100+math.floor(X)
curvePoly(
vect(90,136), vect( 90,100), vect( t_x,60), vect( t_x-2,60),
vect(146,136), vect( 146,100), vect( t_x,60), vect( t_x+2,60),
3
)
--curveLine(146,136, 146,100, t_x,60, t_x+2,60 )
spr(14, 200,50,8,1,0,0,2,2)
X = X + 0.2
if X > 100 then X = -100 end
end
}
Bim={}
function Bim:new(o, pos, weight)
o = o or {}
setmetatable(o, self)
self.__index = self
self.pos = pos or 0
self.weight = weight or 0
self.acc = 0
self.speed = 0
self.maxspeed = 28
return o
end
Bim.speedup = function (self)
self.acc=self.acc+1
if self.acc > 10 then self.acc = 10 end
end
Bim.speeddown = function (self)
self.acc=self.acc-1
if self.acc < 0 then self.acc = 0 end
end
Bim.brake = function (self)
if self.acc > 0 then
self.acc = -1
else
self.acc = self.acc-1
end
if self.acc < -10 then self.acc = -10 end
end
Bim.brakeup = function (self)
self.acc = self.acc+1
if self.acc > 0 then self.acc = 0 end
end
Bim.update = function (self)
if self.speed <= 0 and self.acc <= 0 then
self.speed = 0
else
self.speed = self.speed + (self.acc / (self.weight/2000))
end
if self.speed > self.maxspeed then self.speed = self.maxspeed end
self.speed = self.speed * Friction
self.pos = self.pos + self.speed
end
bim = Bim:new(nil,0,30000)
Minimap={
draw = function (x,y)
local w = 64
--local x, y = 240-w, 136-w
clip(x,y,w,w)
rect(x, y,w,w,0)
print("Station 1", x-80, y, 12, false, 1, true)
h=10
for i=0, 10, 2 do
local y = 136+(bim.pos-(h*i))%(2*w)-w
rectb(x+8,y,w-16,6,12)
print(string.format("% 3.0f",y), x+(w/2)-12, y-3, 3, false, 1, false)
end
rect(x+14,y,4,w,15)
rect(240-18,y,4,w,15)
rectb(x, y,w,w,12)
line(240-4, 136-32,x+4, 136-32,3) -- red
clip()
local info = string.format("pos: %.1f, speed: %.1f",bim.pos, bim.speed)
local info2 = string.format("acc: %.0f",bim.acc)
print(info, x-100, y+16, 12, false, 1, true)
print(info2, x-100, y+32, 12)
end,
}
Cockpit={
ngon = function (c, b, cx,cy, ... )
local arg = {...}
local p1x = nil
local p1y = nil
local p2x = nil
local p2y = nil
for i = 1, #arg, 2 do
p1x, p1y = p2x, p2y
p2x, p2y = arg[i],arg[i+1]
if p1x ~= nil and p1y ~= nil then
tri(cx, cy, p1x, p1y, p2x, p2y, c)
line(p1x, p1y, p2x, p2y, b)
--trace(string.format("(%.0f, %.0f) (%.0f, %.0f) (%.0f, %.0f)",cx, cy, p1x, p1y, p2x, p2y))
end
end
tri(cx, cy, p2x, p2y, arg[1], arg[2], c)
--trace(string.format("(%.0f, %.0f) (%.0f, %.0f) (%.0f, %.0f)",cx, cy, p2x, p2y,arg[1], arg[2]))
end,
tachometer = function (t_x,t_y, bimspeed)
rect(t_x,t_y,15,15,15)
circ(t_x,t_y,14,12)
circb(t_x,t_y,14,15)
a=bimspeed/8-4
tri(t_x-math.cos(a-math.pi/2), t_y-math.sin(a-math.pi/2), t_x+math.cos(a-math.pi/2), t_y+math.sin(a-math.pi/2), t_x+10*math.cos(a), t_y+10*math.sin(a),3)
trib(t_x-math.cos(a-math.pi/2), t_y-math.sin(a-math.pi/2), t_x+math.cos(a-math.pi/2), t_y+math.sin(a-math.pi/2), t_x+10*math.cos(a), t_y+10*math.sin(a),2)
end,
controls = function ()
spr(259,88,96,11,1,0,0,4,3)
spr(320,78,117,11,1,0,0,8,3)
Cockpit.tachometer(224,98,bim.speed)
end,
draw = function ()
Cockpit.ngon(15,0, 20,100,
20,-1, 23,58, 27,70, 35,86, 43,94, 55,100, 70,104,
70,136, -1,136,
-1,104, 8,98, 12,90, 13,-1
)
Cockpit.ngon( 15,0, 145,50,
139,104, 151,0, 156,0, 142,104
)
end,
setup = function ()
Cockpit.draw()
rect(210,104,30,13,15)
rect(61,117,179,19,4)
Cockpit.ngon( 7,0, 185,110,
77,104, 209,104, 240,116, 200,136, 172,130, 162,117, 77,117)
Cockpit.ngon( 7,0, 44,110,
77,104,
70,104, 0,112, 0,136, 61,136,
77,117)
Cockpit.controls()
end
}
local p1x, p1y, p2x,p2y = nil,1,nil,nil
print(p1x, p1y, p2x,p2y )
function drawpt(x,y)
circb(x,y,3,4)
if x > 200 then
print(string.format("(%d, %d)",x,y),x-40,y, 4, false, 1, true)
else
print(string.format("(%d, %d)",x,y),x+8,y, 4, false, 1, true)
end
end
pts = {}
cls(15)
Cockpit.setup()
function draw()
clip(0,0,240,104)
cls(13)
Level.draw()
Cockpit.draw()
clip()
Cockpit.controls()
local x,y,click = mouse()
drawpt(x,y)
for i=1,#pts,2 do
drawpt(pts[i],pts[i+1])
end
if click then
table.insert(pts, x)
table.insert(pts, y)
end
Minimap.draw(240-64,136-64)
end
function update()
bim.update(bim)
end
function sound()
local pos = bim.pos
if pos == -100 and bim.speed > 0 then
sfx(16,"C-5",10,0,15,2)
end
if pos == 0 and bim.speed > 0 then
sfx(16,"C-7",10,0,15,2)
end
sound_played = pos
end
function sound()
local pos = bim.pos
if pos == 100 and bim.speed > 0 then
sfx(16,"C-5",10,0,15,2)
end
if pos == 300 and bim.speed > 0 then
sfx(16,"C-7",10,0,15,2)
end
end
function TIC()
if btnp(0,20,10) then bim:speedup() end
if btnp(1,20,10) then bim:speeddown() end
if btnp(4,20,10) then bim:brake() end
if btnp(5,20,10) then bim:brakeup() end
update()
sound()
draw()
T=(T+1)%1024
end
-- <SPRITES>
-- 002:000000ff00000000000000000000000000000000000000000000000000000000
-- 003:ffffffff00000000000000000005544400045555000f0fff0000000000000000
-- 004:ffffffff000000000000000044c400004444000011f000000000000000000000
-- 005:ffffffff0000000000000000ee0df0eddd0dd0ddff0ff0ffdd0dd0ddde0ee0ee
-- 006:fffe0bbb00000bbb00000bbb00000bbb00000bbb00000bbb00000bbb00f00bbb
-- 018:000000ff000000f0000000000000000000000000000000000000000000000000
-- 019:00ddfdde00ddfddd0000000000ddfdde00d20dde0000000000eede0000eeeeee
-- 020:dedd0dd04dd4fd3000000000cdd6ed60ddd7ed700000000000000f00eeee00fe
-- 021:dd0dd0dddd0dc0dd00000000dc0cc0cccc0cc0cc0000000000000000eeeeeeee
-- 022:00e00bbb00000bbb00000bbb00000bbb00000bbb00000bbb00000bbbd0000bbb
-- 032:fffffffffeeeeeeefe332ee4fe332ee4fe222ee3feeeeeeefecc5ee5fecc5ee5
-- 033:ffffffffeeeeeeee43eecc4e43eecc4e33ee444eeeeeeeee56eebbae56eebbae
-- 034:ffffff00eeeeeffeeaa9efefeaa9ef00e999ef00eeeeef00eaadef00eaadef00
-- 035:b00fffffbb000fffbbb00000bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb
-- 036:ffee00feffeef0ee00000000bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb
-- 037:eeeeeee0eeeeef0b0000000bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb
-- 038:00bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb
-- 048:fe555ee6feeeeeeefeeeeeff0000000000000000000000000000000000000000
-- 049:66eeaaaeeeeeeeeeeeeeeeee0000000000000000000000000000000000000000
-- 050:edddef00eeeeef00eeeeefee0000000000000000000000000000000000000000
-- 051:bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb
-- 052:bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb
-- 053:bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb
-- 054:bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb
-- 064:f0000fff0f0000000000000000000000000000000000000e000000fd000000fe
-- 065:ffffffff00000000000000000000000000000000ede00000dde000eeddd00fee
-- 066:ffffffff000000000000666000006660000000000f0000f007f70077f7f7f077
-- 067:ffffffff00000000000000fc000000fd000000000000aca0070bccc9770cccc9
-- 068:eeeeeeee00000000ce000000de0000000000000009c900229ccc903cdcccb04c
-- 069:eeeeeeee0000000000000000000000000000000022300000cc401111cc402111
-- 070:eeeeeeee00000f0000000000000000000e0000000f0001000f0000000e000000
-- 071:eeefffff0000000000000000000ff00000ee0e0000e0000000e0000000011e00
-- 072:f11ee11100000000000000000000000000000000000000000000000000000000
-- 073:ffffffff000000ff0000000f0000000f00e0000f0243000f0132000f00220000
-- 074:5555555555555555555555555555555555555555555555555555555555555555
-- 080:000000000000000000000000000000000000eddd0000dede0000ed000000dd00
-- 081:00000fdf000000000000000000000000edddf000fdddf00000fdf0ff000df000
-- 082:0ff7f07f00000000000000000000000000000000000000000ede000d0edef0ed
-- 083:f70dccb00000db0000000000000000000000000000000000d000ed00de0f22d0
-- 084:0ccc80cc00c800030000000000000000000000000000000008d8000d0e9900e0
-- 085:cc30111133f00000000000000000000000000000000000f0dd0000f000f000f0
-- 086:0e00000000000000000000000000000000000000000000000000000000000000
-- 087:000000000000000000000000000000000000f0000f00000f000ffdd000000cce
-- 088:00000000000000000000fe000000000000f0000000f0000000f0000000e00000
-- 089:000000000fff0000000000000000000000000000000000000000000000000000
-- 090:5555555555555555555555555555555555555555555555555555555555555555
-- 096:0000d1000000100000000000000000ee00000000000000000000000055555555
-- 097:000d000f00fd000000ee0000eeee0efe00000000000000000000000055555555
-- 098:0dd700f600f0000000000000e000000000000000000000000000000055555555
-- 099:d00022f000000000000000000000fef000000000000000000000000055555555
-- 100:099900e000800000000000000ffee00f00000000000000000000000055555555
-- 101:000000000000000000000000f000000000000000000000000000000055555555
-- 102:0000000000000000000000000000000000000f00000000000000000055555555
-- 103:00000cce00000000000000000000000000000000000000000000000055555555
-- 104:00ef000f00ee00ff00ff00ff000000000000ff00000000000000000055555555
-- 105:0000000000000000ff0000000000000000000000000000000000000055555555
-- 106:5555555555555555555555555555555555555555555555555555555555555555
-- 112:5555555555555555555555555555555555555555555555555555555555555555
-- 113:5555555555555555555555555555555555555555555555555555555555555555
-- 114:5555555555555555555555555555555555555555555555555555555555555555
-- 115:5555555555555555555555555555555555555555555555555555555555555555
-- 116:5555555555555555555555555555555555555555555555555555555555555555
-- 117:5555555555555555555555555555555555555555555555555555555555555555
-- 118:5555555555555555555555555555555555555555555555555555555555555555
-- 119:5555555555555555555555555555555555555555555555555555555555555555
-- 120:5555555555555555555555555555555555555555555555555555555555555555
-- 121:5555555555555555555555555555555555555555555555555555555555555555
-- 122:5555555555555555555555555555555555555555555555555555555555555555
-- </SPRITES>
-- <WAVES>
-- 000:00000000ffffffff00000000ffffffff
-- 001:0123456789abcdeffedcba9876543210
-- 002:0123456789abcdef0123456789012345
-- 003:01234567876543210012345676543210
-- 004:00112233457aceffffeca75433221100
-- </WAVES>
-- <SFX>
-- 000:50074005200410030002000200011001100130004000600080009000b000c000d000d000e000f000f000f000f000f000f000f000f000f000f000f000389000000000
-- 001:0500151025207530a530c520e510f500f500f500f500f500f500f500f500f500f500f500f500f500f500f500f500f500f500f500f500f500f500f500305000000000
-- 003:c5a065b015c015a03590458045704560754075307530852085208520952095109510a510a510a510a510b510b510b510b510c510c510c510d510d510409000000000
-- 016:13c053a09380d360e340f310f300f300f300f300f300f300f300f300f300f300f300f300f300f300f300f300f300f300f300f300f300f300f300f300385000000000
-- </SFX>
-- <PATTERNS>
-- 000:000000000000000000000000600018000000400018000000000000000000000000000000000000600018000000400318000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000
-- </PATTERNS>
-- <TRACKS>
-- 000:100000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000ec03cf
-- </TRACKS>
-- <PALETTE>
-- 000:1a1c2c5d275db13e53ef7d57ffcd75a7f07038b76425717929366f3b5dc941a6f673eff7f4f4f494b0c2566c86333c57
-- </PALETTE>