Update pid_tuning.js

betaflight · Apr 6, 2024 · ca4e0e0 · ca4e0e0
1 parent f7c1287
commit ca4e0e0
Showing 1 changed file with 3 additions and 3 deletions.
diff --git a/src/js/tabs/pid_tuning.js b/src/js/tabs/pid_tuning.js
@@ -1725,7 +1725,7 @@ pid_tuning.initialize = function (callback) {
                 const a = startY + endY - 2 * cpY;
                 const b = 2 * (cpY - startY);
                 const c = startY - y;
-                return a == 0 ? -c / b : ( -b + Math.sqrt(Math.pow(b, 2) - 4 * a * c)) / (2 * a);
+                return a == 0 ? -c / b : ( -b - Math.sqrt(Math.pow(b, 2) - 4 * a * c)) / (2 * a);
             }
 
             /* --- */
@@ -1768,7 +1768,7 @@ pid_tuning.initialize = function (callback) {
             const midxl = midx * 0.5;
             const midxr = (((canvasWidth - midx) * 0.5) + midx);
             const midy = (canvasHeight - curvescale * (midx * (canvasHeight / canvasWidth)));
-            const midyl = (canvasHeight - curvescale * ((canvasHeight - midy) * 0.5 *(expo + 1)));
+            const midyl = (canvasHeight - ((canvasHeight - midy) * 0.5 *(expo + 1)));
             const midyr = ((midy / 2) * (expo + 1));
             const topy = canvasHeight * (1 - curvescale);
 
@@ -1784,7 +1784,7 @@ pid_tuning.initialize = function (callback) {
             if (throttleLimitType === THROTTLE_LIMIT_TYPES.CLIP){
                 const clipPos = throttleLimitPercent <= midy
                     ? getPosfromYBezier(throttleLimitPercent,canvasHeight,midyl, midy)
-                    : getPosfromYBezier(throttleLimitPercent,midy, midyl, 0);
+                    : getPosfromYBezier(throttleLimitPercent,midy, midyl, topy);
                 let lowerCtrl = getQuadraticCurvePoint(0, canvasHeight, midxl, midyl, midx, midy, clipPos / 2);
                 let curveClip = getQuadraticCurvePoint(0, canvasHeight, midxl, midyl, midx, midy, clipPos);
                 if (throttleLimitPercent > midyl){