diff options
Diffstat (limited to 'engines/mortevielle/graphics.cpp')
| -rw-r--r-- | engines/mortevielle/graphics.cpp | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/engines/mortevielle/graphics.cpp b/engines/mortevielle/graphics.cpp index bdf6c86daa..0fab9de965 100644 --- a/engines/mortevielle/graphics.cpp +++ b/engines/mortevielle/graphics.cpp @@ -1097,4 +1097,37 @@ int ScreenSurface::getStringWidth(const Common::String &s) { return s.size() * charWidth; } +void ScreenSurface::droite(int x, int y, int xx, int yy, int coul) { + int step, i; + float a, b; + float xr, yr, xro, yro; + + xr = x; + yr = y; + xro = xx; + yro = yy; + + if (abs(y - yy) > abs(x - xx)) { + a = (float)((x - xx)) / (y - yy); + b = (yr * xro - yro * xr) / (y - yy); + i = y; + if (y > yy) step = -1; + else step = 1; + do { + g_vm->_screenSurface.setPixel(Common::Point(abs((int)(a * i + b)), i), coul); + i = i + step; + } while (!(i == yy)); + } else { + a = (float)((y - yy)) / (x - xx); + b = ((yro * xr) - (yr * xro)) / (x - xx); + i = x; + if (x > xx) step = -1; + else step = 1; + do { + g_vm->_screenSurface.setPixel(Common::Point(i, abs((int)(a * i + b))), coul); + i = i + step; + } while (!(i == xx)); + } +} + } // End of namespace Mortevielle |