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200
Arkanoid/Ball.vm
Normal file
200
Arkanoid/Ball.vm
Normal file
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function Ball.new 0
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push constant 5
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call Memory.alloc 1
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pop pointer 0
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push argument 0
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pop this 0
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push argument 1
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pop this 1
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push argument 2
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pop this 2
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push argument 3
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pop this 3
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push argument 4
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pop this 4
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push pointer 0
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return
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function Ball.setPos 0
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push argument 0
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pop pointer 0
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push pointer 0
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call Ball.erase 1
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pop temp 0
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push argument 1
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pop this 0
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push argument 2
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pop this 1
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push constant 0
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return
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function Ball.setSpeed 0
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push argument 0
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pop pointer 0
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push argument 1
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pop this 3
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push argument 2
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pop this 4
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push constant 0
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return
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function Ball.draw 0
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push argument 0
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pop pointer 0
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push constant 0
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not
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call Screen.setColor 1
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pop temp 0
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push this 0
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push this 1
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push this 2
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call Screen.drawCircle 3
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pop temp 0
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push constant 0
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return
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function Ball.erase 0
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push argument 0
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pop pointer 0
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push constant 0
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call Screen.setColor 1
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pop temp 0
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push this 0
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push this 1
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push this 2
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call Screen.drawCircle 3
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pop temp 0
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push constant 0
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return
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function Ball.update 5
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push argument 0
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pop pointer 0
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push pointer 0
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call Ball.getLeft 1
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pop local 1
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push pointer 0
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call Ball.getRight 1
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pop local 2
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push pointer 0
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call Ball.getTop 1
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pop local 3
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push pointer 0
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call Ball.getBottom 1
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pop local 4
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push pointer 0
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call Ball.erase 1
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pop temp 0
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push local 1
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push constant 2
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lt
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push this 3
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and
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push constant 0
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lt
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if-goto IF_TRUE0
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goto IF_FALSE0
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label IF_TRUE0
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push pointer 0
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call Ball.invertHspeed 1
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pop temp 0
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label IF_FALSE0
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push local 2
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push constant 508
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gt
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push this 3
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and
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push constant 0
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gt
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if-goto IF_TRUE1
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goto IF_FALSE1
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label IF_TRUE1
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push pointer 0
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call Ball.invertHspeed 1
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pop temp 0
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label IF_FALSE1
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push local 3
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push constant 2
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lt
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push this 4
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and
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push constant 0
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lt
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if-goto IF_TRUE2
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goto IF_FALSE2
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label IF_TRUE2
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push pointer 0
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call Ball.invertVspeed 1
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pop temp 0
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label IF_FALSE2
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push local 4
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push constant 250
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gt
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push this 4
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and
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push constant 0
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gt
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if-goto IF_TRUE3
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goto IF_FALSE3
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label IF_TRUE3
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push pointer 0
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call Ball.invertVspeed 1
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pop temp 0
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label IF_FALSE3
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push this 0
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push this 3
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add
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pop this 0
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push this 1
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push this 4
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add
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pop this 1
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push pointer 0
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call Ball.draw 1
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pop temp 0
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push constant 0
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return
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function Ball.invertVspeed 0
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push argument 0
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pop pointer 0
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push this 4
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neg
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pop this 4
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push constant 0
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return
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function Ball.invertHspeed 0
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push argument 0
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pop pointer 0
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push this 3
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neg
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pop this 3
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push constant 0
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return
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function Ball.getLeft 0
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push argument 0
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pop pointer 0
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push this 0
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push this 2
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sub
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return
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function Ball.getRight 0
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push argument 0
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pop pointer 0
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push this 0
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push this 2
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add
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return
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function Ball.getTop 0
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push argument 0
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pop pointer 0
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push this 1
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push this 2
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sub
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return
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function Ball.getBottom 0
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push argument 0
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pop pointer 0
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push this 1
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push this 2
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add
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return
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function Ball.getVspeed 0
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push argument 0
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pop pointer 0
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push this 4
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return
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