diff options
Diffstat (limited to 'examples/declarative/particles/spaceexplorer/content/helpers.js')
| -rw-r--r-- | examples/declarative/particles/spaceexplorer/content/helpers.js | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/examples/declarative/particles/spaceexplorer/content/helpers.js b/examples/declarative/particles/spaceexplorer/content/helpers.js new file mode 100644 index 0000000000..c38c4c0eed --- /dev/null +++ b/examples/declarative/particles/spaceexplorer/content/helpers.js @@ -0,0 +1,8 @@ +function intersects(item, x, y, e){ + return x+e >= item.x && x-e <= item.x + item.width && y+e >= item.y && y-e <= item.y + item.height; +} + +function direction(x1, y1, x2, y2){ + return Math.atan2(y2-y1, x2-x1) * (180/Math.PI); +} + |