aboutsummaryrefslogtreecommitdiff
path: root/src/client/views/GestureOverlay.tsx
diff options
context:
space:
mode:
Diffstat (limited to 'src/client/views/GestureOverlay.tsx')
-rw-r--r--src/client/views/GestureOverlay.tsx57
1 files changed, 15 insertions, 42 deletions
diff --git a/src/client/views/GestureOverlay.tsx b/src/client/views/GestureOverlay.tsx
index 6af3a40cf..97dfb7c50 100644
--- a/src/client/views/GestureOverlay.tsx
+++ b/src/client/views/GestureOverlay.tsx
@@ -695,7 +695,7 @@ export class GestureOverlay extends Touchable {
left = this._points[0].X;
bottom = this._points[this._points.length - 2].Y;
top = this._points[0].Y;
- if (shape !== "arrow" && shape !== "line") {
+ if (shape !== "arrow" && shape !== "line" && shape !== "circle") {
if (left > right) {
const temp = right;
right = left;
@@ -754,65 +754,38 @@ export class GestureOverlay extends Touchable {
break;
case "circle":
- // const centerX = (right + left) / 2;
- // const centerY = (bottom + top) / 2;
- // const radius = bottom - centerY;
-
-
- // for (var y = top; y < bottom; y++) {
- // const x = Math.sqrt(Math.pow(radius, 2) - (Math.pow((y - centerY), 2))) + centerX;
- // this._points.push({ X: x, Y: y });
- // }
- // for (var y = bottom; y > top; y--) {
- // const x = Math.sqrt(Math.pow(radius, 2) - (Math.pow((y - centerY), 2))) + centerX;
- // const newX = centerX - (x - centerX);
- // this._points.push({ X: newX, Y: y });
- // }
- // this._points.push({ X: Math.sqrt(Math.pow(radius, 2) - (Math.pow((top - centerY), 2))) + centerX, Y: top });
- // this._points.push({ X: Math.sqrt(Math.pow(radius, 2) - (Math.pow((top - centerY), 2))) + centerX, Y: top - 1 });
-
- const centerX = (right + left) / 2;
- const centerY = (bottom + top) / 2;
- if ((bottom - centerY) < (right - centerX)) {
- const radius = bottom - centerY;
- for (var y = top; y < bottom; y++) {
+
+ const centerX = (Math.max(left, right) + Math.min(left, right)) / 2;
+ const centerY = (Math.max(top, bottom) + Math.min(top, bottom)) / 2;
+ const radius = Math.max(centerX - Math.min(left, right), centerY - Math.min(top, bottom));
+ if (centerX - Math.min(left, right) < centerY - Math.min(top, bottom)) {
+ for (var y = Math.min(top, bottom); y < Math.max(top, bottom); y++) {
const x = Math.sqrt(Math.pow(radius, 2) - (Math.pow((y - centerY), 2))) + centerX;
this._points.push({ X: x, Y: y });
}
- for (var y = bottom; y > top; y--) {
+ for (var y = Math.max(top, bottom); y > Math.min(top, bottom); y--) {
const x = Math.sqrt(Math.pow(radius, 2) - (Math.pow((y - centerY), 2))) + centerX;
const newX = centerX - (x - centerX);
this._points.push({ X: newX, Y: y });
}
- this._points.push({ X: Math.sqrt(Math.pow(radius, 2) - (Math.pow((top - centerY), 2))) + centerX, Y: top });
- this._points.push({ X: Math.sqrt(Math.pow(radius, 2) - (Math.pow((top - centerY), 2))) + centerX, Y: top - 1 });
+ this._points.push({ X: Math.sqrt(Math.pow(radius, 2) - (Math.pow((Math.min(top, bottom) - centerY), 2))) + centerX, Y: Math.min(top, bottom) });
+ this._points.push({ X: Math.sqrt(Math.pow(radius, 2) - (Math.pow((Math.min(top, bottom) - centerY), 2))) + centerX, Y: Math.min(top, bottom) - 1 });
+
} else {
- //right = bottom
- //left = top
- const radius = right - centerX;
- for (var x = left; x < right; x++) {
+ for (var x = Math.min(left, right); x < Math.max(left, right); x++) {
const y = Math.sqrt(Math.pow(radius, 2) - (Math.pow((x - centerX), 2))) + centerY;
this._points.push({ X: x, Y: y });
}
- for (var x = right; x > left; x--) {
+ for (var x = Math.max(left, right); x > Math.min(left, right); x--) {
const y = Math.sqrt(Math.pow(radius, 2) - (Math.pow((x - centerX), 2))) + centerY;
const newY = centerY - (y - centerY);
this._points.push({ X: x, Y: newY });
}
- this._points.push({ X: left, Y: Math.sqrt(Math.pow(radius, 2) - (Math.pow((left - centerX), 2))) + centerY });
- this._points.push({ X: left, Y: (Math.sqrt(Math.pow(radius, 2) - (Math.pow((left - centerX), 2))) + centerY) - 1 });
-
+ this._points.push({ X: Math.min(left, right), Y: Math.sqrt(Math.pow(radius, 2) - (Math.pow((Math.min(left, right) - centerX), 2))) + centerY });
+ this._points.push({ X: Math.min(left, right), Y: Math.sqrt(Math.pow(radius, 2) - (Math.pow((Math.min(left, right) - centerX), 2))) + centerY - 1 });
}
-
-
-
-
-
-
-
-
break;
case "line":
if (Math.abs(firstx - lastx) < 20) {