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Published 20 hours ago • verified publisher icon maryrosecook
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Game programming for beginners

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When positioning the top of the car over the body of the car, no offset is needed to make sure they are centered horizontally relative to one another. It looks like this tutorial assumes that draw-rectangle(...) and draw-oval(...) use the first two parameters as the left and top edges of the shape. On my computer at least this is not a valid assumption. I've included a screen shot of what the tutorial's final code produces on my computer.

maryrosecook avatar maryrosecook

bug
priority

Try removing literals and lookups from stepping

maryrosecook avatar maryrosecook

enhancement

Example program: bubble hunt

``` bubble: make-circle(random-number(0 400) 200 50) forever { set(bubble "y" add(get(bubble "y") 7)) if mouse-button-is-down { mouse: make-circle(mouse-x mouse-y 1) if are-overlapping(bubble mouse) { set(bubble "color" random-color()) set(bubble "x" random-number(0...

maryrosecook avatar maryrosecook

enhancement
priority

Example program: painting program

``` forever { if mouse-button-is-down { paint-blob: make-circle(mouse-x mouse-y 10) draw(paint-blob) } } ```

maryrosecook avatar maryrosecook

enhancement
priority

Increase number of saved rewind steps (heap seems managable at 10,000) but have to also increase backwards stepping speed to make it feasible to step back that far

maryrosecook avatar maryrosecook

Make `print()` show ImmutableJS objects as plain JS objects

maryrosecook avatar maryrosecook

Make `get()` complain if key doesn't exist

maryrosecook avatar maryrosecook

Example program: Bat and ball (OO-style)

``` ball: make-circle(50 50 20) ball: set(ball "x-speed" 0) ball: set(ball "y-speed" 0) gravity: 0.5 forever { bat: make-rectangle(mouse-x mouse-y 100 10) if are-overlapping(bat ball) { bat-ball-difference: subtract(get(ball "x") get(bat...

maryrosecook avatar maryrosecook

Save programs on a server, not in the URL

maryrosecook avatar maryrosecook

Example program: make your own bridget riley

``` stripe-width: 10 stripe-height: 2000 x: 0 forever { x: add(x stripe-width) draw-rectangle(x 0 stripe-width stripe-height "filled" random-color()) } ```

maryrosecook avatar maryrosecook

enhancement
priority

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verified publisher icon maryrosecook

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Game programming for beginners

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