diff options
| author | Cate <cate@cate-6sh2.(none)> | 2011-07-12 14:55:25 (GMT) |
|---|---|---|
| committer | Simon Robertshaw <simon@hardwired.org.uk> | 2011-07-12 15:29:22 (GMT) |
| commit | 45fe00bef96958f6f26174a6fbce6bf0498a4a98 (patch) | |
| tree | f97d60db772fe7fa8f3fe1fbc98df1899a3bff40 /src/powder.c | |
| parent | d7053422f14d60daca97a3c3c321ae82fd82025a (diff) | |
| download | powder-45fe00bef96958f6f26174a6fbce6bf0498a4a98.zip powder-45fe00bef96958f6f26174a6fbce6bf0498a4a98.tar.gz | |
Added Cracker changes for adding a triangle brush! :DDD Seems to work without any issues.
Diffstat (limited to 'src/powder.c')
| -rw-r--r-- | src/powder.c | 26 |
1 files changed, 20 insertions, 6 deletions
diff --git a/src/powder.c b/src/powder.c index 853914d..6bce790 100644 --- a/src/powder.c +++ b/src/powder.c @@ -2687,7 +2687,7 @@ int create_parts(int x, int y, int rx, int ry, int c) else for (j=-ry; j<=ry; j++) for (i=-rx; i<=rx; i++) - if ((CURRENT_BRUSH==CIRCLE_BRUSH && (pow(i,2))/(pow(rx,2))+(pow(j,2))/(pow(ry,2))<=1)||(CURRENT_BRUSH==SQUARE_BRUSH&&i*j<=ry*rx)) + if (InCurrentBrush(i ,j ,rx ,ry)) delete_part(x+i, y+j); return 1; } @@ -2702,7 +2702,7 @@ int create_parts(int x, int y, int rx, int ry, int c) else for (j=-ry; j<=ry; j++) for (i=-rx; i<=rx; i++) - if ((CURRENT_BRUSH==CIRCLE_BRUSH && (pow(i,2))/(pow(rx,2))+(pow(j,2))/(pow(ry,2))<=1)||(CURRENT_BRUSH==SQUARE_BRUSH&&i*j<=ry*rx)) + if (InCurrentBrush(i ,j ,rx ,ry)) { if ( x+i<0 || y+j<0 || x+i>=XRES || y+j>=YRES) continue; @@ -2726,7 +2726,7 @@ int create_parts(int x, int y, int rx, int ry, int c) else for (j=-ry; j<=ry; j++) for (i=-rx; i<=rx; i++) - if ((CURRENT_BRUSH==CIRCLE_BRUSH && (pow(i,2))/(pow(rx,2))+(pow(j,2))/(pow(ry,2))<=1)||(CURRENT_BRUSH==SQUARE_BRUSH&&i*j<=ry*rx)) + if (InCurrentBrush(i ,j ,rx ,ry)) delete_part(x+i, y+j); SLALT = stemp; return 1; @@ -2748,7 +2748,7 @@ int create_parts(int x, int y, int rx, int ry, int c) else for (j=-ry; j<=ry; j++) for (i=-rx; i<=rx; i++) - if ((CURRENT_BRUSH==CIRCLE_BRUSH && (pow(i,2))/(pow(rx,2))+(pow(j,2))/(pow(ry,2))<=1)||(CURRENT_BRUSH==SQUARE_BRUSH&&i*j<=ry*rx)) + if (InCurrentBrush(i ,j ,rx ,ry)) { if ( x+i<0 || y+j<0 || x+i>=XRES || y+j>=YRES) continue; @@ -2773,12 +2773,26 @@ int create_parts(int x, int y, int rx, int ry, int c) else for (j=-ry; j<=ry; j++) for (i=-rx; i<=rx; i++) - if ((CURRENT_BRUSH==CIRCLE_BRUSH && (pow(i,2))/(pow(rx,2))+(pow(j,2))/(pow(ry,2))<=1)||(CURRENT_BRUSH==SQUARE_BRUSH&&i*j<=ry*rx)) + if (InCurrentBrush(i ,j ,rx ,ry)) if (create_part(-2, x+i, y+j, c)==-1) f = 1; return !f; } - +int InCurrentBrush(int i, int j, int rx, int ry) +{ + switch(CURRENT_BRUSH) + { + case CIRCLE_BRUSH: + return ((pow(i,2))/(pow(rx,2))+(pow(j,2))/(pow(ry,2))<=1); + break; + case SQUARE_BRUSH: + return (i*j<=ry*rx); + break; + case TRI_BRUSH: + return (j <= ry ) && ( j >= (((-2.0*ry)/rx)*i) -ry) && ( j >= (((-2.0*ry)/(-rx))*i)-ry ) ; + break; + } +} void create_line(int x1, int y1, int x2, int y2, int rx, int ry, int c) { int cp=abs(y2-y1)>abs(x2-x1), x, y, dx, dy, sy; |