diff options
Diffstat (limited to 'drawing')
| -rw-r--r-- | drawing/drawing.ha | 17 |
1 files changed, 14 insertions, 3 deletions
diff --git a/drawing/drawing.ha b/drawing/drawing.ha index a7d9e1f..54116a3 100644 --- a/drawing/drawing.ha +++ b/drawing/drawing.ha @@ -103,9 +103,19 @@ export fn circle_hollow(picture: *picture, c: pos, r: i32, color: u32) void = { export fn stroke(picture: *picture, c0: pos, c1: pos, r: i32, color: u32) void = { const dx = c1.0 - c0.0; const dy = c1.1 - c0.1; - const count = (abs(dx)+abs(dy))/r; - const sx = dx: f64 / (count-1): f64; - const sy = dy: f64 / (count-1): f64; + const d = math::sqrtf64((dx*dx+dy*dy):f64):i32; + const count = d/r + 1; + if (count == 0) { + circle(picture, c1, r, color); + return; + } else if (count == 1) { + circle(picture, c0, r, color); + circle(picture, c1, r, color); + return; + }; + fmt::printfln("count: {}",count)!; + const sx = dx: f64 / (count): f64; + const sy = dy: f64 / (count): f64; for (let i = 0i32; i < count; i += 1) { const cx = c0.0 + math::roundf64(i:f64*sx):i32; @@ -113,6 +123,7 @@ export fn stroke(picture: *picture, c0: pos, c1: pos, r: i32, color: u32) void = circle(picture, (cx, cy), r, color); }; + circle(picture, c1, r, color); }; // ehh should check bounding box instead of doing all pictures maybe |