void PositionManager::updateRegion(Movable *movable, float oldX, float oldY, uint8_t oldLayer)
{
Region oldRegion(oldX, oldY, oldLayer);
Region newRegion(movable->x, movable->y, movable->layer);
if(oldRegion == newRegion) {
return;
}
movable->onRegionChange(&oldRegion, &newRegion);
for(int32_t rx = oldRegion.rx - Region::VISIBILITY_RADIUS; rx <= oldRegion.rx + Region::VISIBILITY_RADIUS; rx++) {
int32_t ryStart = oldRegion.ry - Region::VISIBILITY_RADIUS + ::abs(rx - oldRegion.rx);
int32_t ryEnd = oldRegion.ry + Region::VISIBILITY_RADIUS - ::abs(rx - oldRegion.rx);
for(int32_t ry = ryStart; ry <= ryEnd; ry++) {
Region testRegion(rx, ry, oldRegion.layer);
if(oldRegion.isVisibleRegion(testRegion) && !newRegion.isVisibleRegion(testRegion)) {
//disappear in old region
movable->onLeaveRegion(&testRegion);
}
}
}
for(int32_t rx = newRegion.rx - Region::VISIBILITY_RADIUS; rx <= newRegion.rx + Region::VISIBILITY_RADIUS; rx++) {
int32_t ryStart = newRegion.ry - Region::VISIBILITY_RADIUS + ::abs(rx - newRegion.rx);
int32_t ryEnd = newRegion.ry + Region::VISIBILITY_RADIUS - ::abs(rx - newRegion.rx);
for(int32_t ry = ryStart; ry <= ryEnd; ry++) {
Region testRegion(rx, ry, newRegion.layer);
if(newRegion.isVisibleRegion(testRegion) && !oldRegion.isVisibleRegion(testRegion)) {
//appear in new region
movable->onEnterRegion(&testRegion);
}
}
}
}
const SkMatrix kTestMatrix = testMatrix();
static SkPath testPath() {
SkPath path;
path.addRect(SkRect::MakeXYWH(SkIntToScalar(0), SkIntToScalar(0),
SkIntToScalar(2), SkIntToScalar(1)));
return path;
}
const SkPath kTestPath = testPath();
static SkRegion testRegion() {
SkRegion region;
SkIRect rect = SkIRect::MakeXYWH(0, 0, 2, 1);
region.setRect(rect);
return region;
}
const SkIRect kTestIRect = SkIRect::MakeXYWH(0, 0, 2, 1);
const SkRegion kTestRegion = testRegion();
const SkColor kTestColor = 0x01020304;
const SkPaint kTestPaint;
const SkPoint kTestPoints[3] = {
{SkIntToScalar(0), SkIntToScalar(0)},
{SkIntToScalar(2), SkIntToScalar(1)},
{SkIntToScalar(0), SkIntToScalar(2)}
};
const size_t kTestPointCount = 3;
static SkBitmap testBitmap() {
SkBitmap bitmap;
createBitmap(&bitmap, SkBitmap::kARGB_8888_Config, 0x05060708);
return bitmap;
}
SkBitmap kTestBitmap; // cannot be created during static init
SkString kTestText("Hello World");
int main()
{
// srand(unsigned int(time(nullptr)));
//
// RandGreed();
// PrintGreed();
//
// int stepx = 0;
// int stepy = 0;
//
// float tMaxX = 0.0f;
// float tMaxY = 0.0f;
//
// if(dirx < 0)
// {
// stepx = -1;
// tMaxX = posx / (stepx * dirx + eps);
// }
// else
// {
// stepx = 1;
// tMaxX = (cellSize - posx) / (dirx + eps);
// }
// if(diry < 0)
// {
// stepy = -1;
// tMaxY = posy / (stepy * diry + eps);
// }
// else
// {
// stepy = 1;
// tMaxY = (cellSize - posy) / (diry + eps);
// }
//
// // ¬ычисл¤ем приращение по x и y дл¤ блока.
// float tDeltaX = cellSize / (stepx * dirx + eps);
// float tDeltaY = cellSize / (stepy * diry + eps);
//
// unsigned int greedPosx = greedCenter;
// unsigned int greedPosy = greedCenter;
//
// while(greedPosx < greedSize && greedPosx >= 0 &&
// greedPosy < greedSize && greedPosy >= 0)
// {
// if(tMaxX < tMaxY)
// {
// tMaxX += tDeltaX;
// greedPosx += stepx;
// }
// else
// {
// tMaxY += tDeltaY;
// greedPosy += stepy;
// }
// if(greed[greedPosy][greedPosx] == 1)
// {
// break;
// }
// };
//
TestRegion testRegion(5, 0);
testRegion.SetRadius(4);
testRegion.SetRadius(2);
testRegion.Move(1, 1, 1);
testRegion.SetRadius(3);
testRegion.SetRadius(2);
testRegion.Print();
system("pause");
return 0;
}
