Find a tile

Find the right top row candidate;

determine the slope and starting x location for the right tile edge.

Exactly as for the left edge.

Scan convert a single row:

void ScanX(int left_col, int right_col, int row, int R, int G, int B) {

if( left_col < right_col) {

for( int x = left_col; x < right_col; x++) {

draw_pixel(x,y);

}

}

}

Previous slide

Back to first slide

View graphic version