void Binarization::ExtractBoundary(unsigned char *buffer_in, unsigned char *buffer_out, bool inverse) {
TEST_OVERLAP(ExtractBoundary(buffer_in, buffer_out, inverse));
Erode(buffer_in, buffer_out, inverse);
for(int i = 1; i < height_ - 1; i++)
for(int j = 1; j < width_ - 1; j++) {
buffer_out[(i * width_ + j) * 3 + 2] = (buffer_out[(i * width_ + j) * 3 + 2] ^ buffer_in[(i * width_ + j) * 3 + 2]) ? 255 : 0;
buffer_out[(i * width_ + j) * 3 + 1] = (buffer_out[(i * width_ + j) * 3 + 1] ^ buffer_in[(i * width_ + j) * 3 + 1]) ? 255 : 0;
buffer_out[(i * width_ + j) * 3 + 0] = (buffer_out[(i * width_ + j) * 3 + 0] ^ buffer_in[(i * width_ + j) * 3 + 0]) ? 255 : 0;
}
}
void Binarization::Erode(unsigned char *buffer_in, unsigned char *buffer_out, bool inverse) {
TEST_OVERLAP(Erode(buffer_in, buffer_out, inverse));
for(int i = 1; i < height_ - 1; i++)
for(int j = 1; j < width_ - 1; j++)
if(SatisfyErosion(buffer_in, i, j, inverse)) {
buffer_out[(i * width_ + j) * 3 + 2] = inverse ? 0 : 255;
buffer_out[(i * width_ + j) * 3 + 1] = inverse ? 0 : 255;
buffer_out[(i * width_ + j) * 3 + 0] = inverse ? 0 : 255;
} else {
buffer_out[(i * width_ + j) * 3 + 2] = inverse ? 255 : 0;
buffer_out[(i * width_ + j) * 3 + 1] = inverse ? 255 : 0;
buffer_out[(i * width_ + j) * 3 + 0] = inverse ? 255 : 0;
}
}
bool IntersectionTests::boxAndBox(
const CollisionBox &one,
const CollisionBox &two
)
{
// Find the vector between the two centres
Vector3 toCentre = two.getAxis(3) - one.getAxis(3);
return (
// Check on box one's axes first
TEST_OVERLAP(one.getAxis(0)) &&
TEST_OVERLAP(one.getAxis(1)) &&
TEST_OVERLAP(one.getAxis(2)) &&
// And on two's
TEST_OVERLAP(two.getAxis(0)) &&
TEST_OVERLAP(two.getAxis(1)) &&
TEST_OVERLAP(two.getAxis(2)) &&
// Now on the cross products
TEST_OVERLAP(one.getAxis(0) % two.getAxis(0)) &&
TEST_OVERLAP(one.getAxis(0) % two.getAxis(1)) &&
TEST_OVERLAP(one.getAxis(0) % two.getAxis(2)) &&
TEST_OVERLAP(one.getAxis(1) % two.getAxis(0)) &&
TEST_OVERLAP(one.getAxis(1) % two.getAxis(1)) &&
TEST_OVERLAP(one.getAxis(1) % two.getAxis(2)) &&
TEST_OVERLAP(one.getAxis(2) % two.getAxis(0)) &&
TEST_OVERLAP(one.getAxis(2) % two.getAxis(1)) &&
TEST_OVERLAP(one.getAxis(2) % two.getAxis(2))
);
}
