MaTIC is a math arcade game where you combine numbers making use of fundamental math operations.
MaTIC's difficulties were created to be edited and tweaked to suit different learning goals.
The difficulty options can be found in line 71 of the cart.lua file:
DIFFS={
easy={
title='easy',
time=200000,
speedup=1,
range={min=1,max=9},
operations=GenOps(BaseOps.sub,BaseOps.sub,BaseOps.sum,BaseOps.sum),
next='medium'
},
medium={
title='medium',
time=1600,
speedup=50,
range={min=-9,max=9},
operations=GenOps(BaseOps.sub,BaseOps.sub,BaseOps.sum,BaseOps.sum),
next='hard'
},
hard={
title='hard',
time=1000,
speedup=100,
range={min=-9,max=9},
operations=GenOps(BaseOps.mul,BaseOps.sub,BaseOps.sum,BaseOps.div),
next='easy'
}
}To create a new difficulty, you can just insert it at the ent of the DIFFS object:
DIFFS={
easy={
title='easy',
time=200000,
speedup=1,
range={min=1,max=9},
operations=GenOps(BaseOps.sub,BaseOps.sub,BaseOps.sum,BaseOps.sum),
next='medium'
},
medium={
title='medium',
time=1600,
speedup=50,
range={min=-9,max=9},
operations=GenOps(BaseOps.sub,BaseOps.sub,BaseOps.sum,BaseOps.sum),
next='hard'
},
hard={
title='hard',
time=1000,
speedup=100,
range={min=-9,max=9},
operations=GenOps(BaseOps.mul,BaseOps.sub,BaseOps.sum,BaseOps.div),
next='custom' -- Make sure to change this to your difficulty name
},
custom={
title='custom',
time=2000,
speedup=10,
range={min=-9,max=9},
operations=GenOps(BaseOps.mul,BaseOps.sub,BaseOps.sum,BaseOps.div),
next='easy'
}
}A difficulty has 6 attributes (note that the game runs at 60 FPS):
title: the name of the difficultytime: the maximum time for the game countdown in framesspeedup: speedup amount in framesrange: the range of numbers that the came can choose fromoperations: the operations that can be used in the difficultynext: the next difficulty, used for the difficulty selection button in the settings
MaTIC comes with a few built-in basic math operations that can be found inside of BaseOps:
BaseOps={
---@type Operation
sum={
f=function(a,b) return a+b end,
c='+'
},
---@type Operation
sub={
f=function(a,b) return a-b end,
c='-'
},
---@type Operation
mul={
f=function(a,b) return a*b end,
c='x'
},
---@type Operation
div={
f=function(a,b) return a/b end,
c='/'
},
---@type Operation
zer={
f=function(a,b) return 0 end,
c='='
},
}An operation is defined as a function that takes in two numbers and returns a number.
It is possible to create custom operations. Here, I have created a function for the modulus (%) operand:
function mod(a, b)
return a % b
endThis function can now be used in my custom difficulty. I will use it in place of the division operation:
custom={
title='custom',
time=2000,
speedup=10,
range={min=-9,max=9},
operations=GenOps(BaseOps.mul,BaseOps.sub,BaseOps.sum,mod),
next='easy'
}
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