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Diffstat (limited to 'vocabulary.md')
| -rw-r--r-- | vocabulary.md | 17 |
1 files changed, 16 insertions, 1 deletions
diff --git a/vocabulary.md b/vocabulary.md index 9c614a90..f2be5f1e 100644 --- a/vocabulary.md +++ b/vocabulary.md @@ -227,6 +227,17 @@ Assertions for tests: at any screen location. - `check-background-color-in-screen-row-from` +#### pixel graphics + +- `pixel`: draw a single point at (x, y) with a given color between 0 and 255. +- `draw-line`: between two points (x1, y1) and (x2, y2) +- `draw-horizontal-line` +- `draw-vertical-line` +- `draw-circle` +- `draw-disc`: takes an inner and outer radius +- `draw-monotonic-bezier`: draw curved lines with a single control point. + Doesn't support curves with "U-turns". + #### events `read-key` reads a single key from the keyboard and returns it if it exists. @@ -234,7 +245,11 @@ Returns 0 if no key has been pressed. `read-mouse-event` returns a recent change in x and y coordinate. -Mu doesn't currently support interrupt-based mouse events. +`timer-counter` returns a monotonically increasing counter with some +fixed frequency. You can periodically poll it to check for intervals passing, +but can't make assumptions about how much time has passed. + +Mu doesn't currently support interrupt-based events. #### persistent storage |