From 2387225f18bd63f70569df7039af445064738836 Mon Sep 17 00:00:00 2001
From: brynnchernosky <56202540+brynnchernosky@users.noreply.github.com>
Date: Tue, 7 Feb 2023 12:58:32 -0500
Subject: free weight and wedge work

---
 src/client/views/nodes/PhysicsSimulationApp.tsx    | 55 +++++++-----------
 src/client/views/nodes/PhysicsSimulationWall.tsx   |  2 +-
 src/client/views/nodes/PhysicsSimulationWedge.tsx  | 21 ++++---
 src/client/views/nodes/PhysicsSimulationWeight.tsx | 66 +++++++++++-----------
 4 files changed, 68 insertions(+), 76 deletions(-)

(limited to 'src')

diff --git a/src/client/views/nodes/PhysicsSimulationApp.tsx b/src/client/views/nodes/PhysicsSimulationApp.tsx
index a2490cce8..f31d92db2 100644
--- a/src/client/views/nodes/PhysicsSimulationApp.tsx
+++ b/src/client/views/nodes/PhysicsSimulationApp.tsx
@@ -71,8 +71,7 @@ export default class App extends React.Component<{}, IState> {
   xMax = 300;
   yMax = 300;
   color = `rgba(0,0,0,0.5)`;
-  radius = 50
-
+  radius = 0.1*this.yMax
 
   constructor(props: any) {
       super(props)
@@ -112,8 +111,8 @@ export default class App extends React.Component<{}, IState> {
           wallPositions: [],
           wedge: false,
           wedgeAngle: 26,
-          wedgeHeight: Math.tan((26 * Math.PI) / 180) * 400,
-          wedgeWidth: 400,
+          wedgeHeight: Math.tan((26 * Math.PI) / 180) * this.xMax*0.6,
+          wedgeWidth: this.xMax*0.6,
           weight: false,
       }
   }
@@ -219,45 +218,27 @@ export default class App extends React.Component<{}, IState> {
     let width = 0;
     let height = 0;
     if (angle < 50) {
-      width = 400;
-      height = Math.tan((angle * Math.PI) / 180) * 400;
+      width = this.xMax*0.6;
+      height = Math.tan((angle * Math.PI) / 180) * width;
       this.setState({wedgeWidth: width})
       this.setState({wedgeHeight: height})
     } else if (angle < 70) {
-      width = 200;
-      height = Math.tan((angle * Math.PI) / 180) * 200;
+      width = this.xMax*0.3;
+      height = Math.tan((angle * Math.PI) / 180) * width;
       this.setState({wedgeWidth: width})
       this.setState({wedgeHeight: height})
     } else {
-      width = 100;
-      height = Math.tan((angle * Math.PI) / 180) * 100;
+      width = this.xMax*0.15;
+      height = Math.tan((angle * Math.PI) / 180) * width;
       this.setState({wedgeWidth: width})
       this.setState({wedgeHeight: height})
     }
 
     // update weight position based on updated wedge width/height
-    let yPos = (width - 50) * Math.tan((angle * Math.PI) / 180);
-    if (angle < 40) {
-      yPos += Math.sqrt(angle);
-    } else if (angle < 58) {
-      yPos += angle / 2;
-    } else if (angle < 68) {
-      yPos += angle;
-    } else if (angle < 70) {
-      yPos += angle * 1.3;
-    } else if (angle < 75) {
-      yPos += angle * 1.5;
-    } else if (angle < 78) {
-      yPos += angle * 2;
-    } else if (angle < 79) {
-      yPos += angle * 2.25;
-    } else if (angle < 80) {
-      yPos += angle * 2.6;
-    } else {
-      yPos += angle * 3;
-    }
+    let xPos = (this.xMax * 0.2)-this.radius;
+    let yPos = width * Math.tan((angle * Math.PI) / 180) - this.radius;
 
-    this.setState({startPosX: Math.round((this.xMax * 0.5 - 200) * 10) / 10});
+    this.setState({startPosX: xPos});
     this.setState({startPosY: this.getDisplayYPos(yPos)});
     this.updateForcesWithFriction(
       Number(this.state.coefficientOfStaticFriction),
@@ -308,7 +289,7 @@ export default class App extends React.Component<{}, IState> {
   
   componentDidMount() {
     // Add weight
-    this.addWeight()
+    this.addWedge()
 
     // Add listener for SHIFT key, which determines if sketch force arrow will be edited or deleted on click
     document.addEventListener("keydown", (e) => {
@@ -477,7 +458,7 @@ export default class App extends React.Component<{}, IState> {
                   pendulum={this.state.pendulum}
                   pendulumAngle={this.state.pendulumAngle}
                   pendulumLength={this.state.pendulumLength}
-                  radius={50}
+                  radius={this.radius}
                   reset={this.state.simulationReset}
                   showForceMagnitudes={this.state.showForceMagnitudes}
                   setSketching={(val: boolean) => {this.setState({sketching: val})}}
@@ -506,13 +487,19 @@ export default class App extends React.Component<{}, IState> {
                   wedgeHeight={this.state.wedgeHeight}
                   wedgeWidth={this.state.wedgeWidth}
                   coefficientOfKineticFriction={this.state.coefficientOfKineticFriction}
+                  xMax={this.xMax}
+                  yMax={this.yMax}
+                  xMin={this.xMin}
+                  yMin={this.yMin}
                 />
               )}
               {this.state.wedge && (
                 <Wedge
                   startWidth={this.state.wedgeWidth}
                   startHeight={this.state.wedgeHeight}
-                  startLeft={this.xMax * 0.5 - 200}
+                  startLeft={this.xMax * 0.2}
+                  xMax={this.xMax}
+                  yMax={this.yMax}
                 />
               )}
             </div>
diff --git a/src/client/views/nodes/PhysicsSimulationWall.tsx b/src/client/views/nodes/PhysicsSimulationWall.tsx
index f6396d6a7..9283e8d46 100644
--- a/src/client/views/nodes/PhysicsSimulationWall.tsx
+++ b/src/client/views/nodes/PhysicsSimulationWall.tsx
@@ -18,7 +18,7 @@ export default class App extends React.Component<IWallProps> {
   }
 
   wallStyle = {
-    width: this.props.angleInDegrees == 0 ?  this.props.length + "%" : "3%",
+    width: this.props.angleInDegrees == 0 ? this.props.length + "%" : "3%",
     height: this.props.angleInDegrees == 0 ? "3%" : this.props.length + "%",
     position: "absolute" as "absolute",
     left: this.props.xPos + "%",
diff --git a/src/client/views/nodes/PhysicsSimulationWedge.tsx b/src/client/views/nodes/PhysicsSimulationWedge.tsx
index b3988221c..43a4d69de 100644
--- a/src/client/views/nodes/PhysicsSimulationWedge.tsx
+++ b/src/client/views/nodes/PhysicsSimulationWedge.tsx
@@ -5,6 +5,8 @@ export interface IWedgeProps {
   startHeight: number;
   startWidth: number;
   startLeft: number;
+  xMax: number;
+  yMax: number;
 }
 
 interface IState {
@@ -28,18 +30,19 @@ export default class Wedge extends React.Component<IWedgeProps, IState> {
 
   updateCoordinates() {
     const coordinatePair1 =
-      Math.round(this.state.left) + "," + Math.round(300 * 0.8) + " ";
+      Math.round(this.state.left) + "," + Math.round(this.props.yMax) + " ";
     const coordinatePair2 =
       Math.round(this.state.left + this.props.startWidth) +
       "," +
-      Math.round(300 * 0.8) +
+      Math.round(this.props.yMax) +
       " ";
     const coordinatePair3 =
       Math.round(this.state.left) +
       "," +
-      Math.round(300 * 0.8 - this.props.startHeight);
+      Math.round(this.props.yMax - this.props.startHeight);
     const coord = coordinatePair1 + coordinatePair2 + coordinatePair3;
     this.setState({coordinates: coord}); 
+    console.log("coordinates: ", coord)
   }
 
   componentDidMount() {
@@ -47,7 +50,9 @@ export default class Wedge extends React.Component<IWedgeProps, IState> {
   }
 
   componentDidUpdate(prevProps: Readonly<IWedgeProps>, prevState: Readonly<IState>, snapshot?: any): void {
-    this.updateCoordinates();
+    if (prevState.coordinates != this.state.coordinates) {
+      this.updateCoordinates();
+    }
     if (prevProps.startHeight != this.props.startHeight || prevProps.startWidth != this.props.startWidth) {
       this.setState({angleInRadians: Math.atan(this.props.startHeight / this.props.startWidth)});
     } 
@@ -56,10 +61,10 @@ export default class Wedge extends React.Component<IWedgeProps, IState> {
   render() {
     return (
       <div>
-        <div style={{ position: "absolute", left: "0", top: "0", zIndex: -5 }}>
+        <div style={{ position: "absolute", left: "0", top: "0" }}>
           <svg
-            width={300 * 0.7 + "px"}
-            height={300 * 0.8 + "px"}
+            width={this.props.xMax + "px"}
+            height={this.props.yMax + "px"}
           >
             <polygon points={this.state.coordinates} style={{ fill: "burlywood" }} />
           </svg>
@@ -70,7 +75,7 @@ export default class Wedge extends React.Component<IWedgeProps, IState> {
             position: "absolute",
             zIndex: 500,
             left: Math.round(this.state.left + this.props.startWidth - 80) + "px",
-            top: Math.round(300 * 0.8 - 40) + "px",
+            top: Math.round(this.props.yMax - 40) + "px",
           }}
         >
           {Math.round(((this.state.angleInRadians * 180) / Math.PI) * 100) / 100}°
diff --git a/src/client/views/nodes/PhysicsSimulationWeight.tsx b/src/client/views/nodes/PhysicsSimulationWeight.tsx
index 92d65cf3d..63f8c965f 100644
--- a/src/client/views/nodes/PhysicsSimulationWeight.tsx
+++ b/src/client/views/nodes/PhysicsSimulationWeight.tsx
@@ -52,6 +52,10 @@ export interface IWeightProps {
   coefficientOfKineticFriction: number;
   wedgeWidth: number;
   wedgeHeight: number;
+  xMax: number;
+  yMax: number;
+  xMin: number;
+  yMin: number;
 }
 
 interface IState {
@@ -92,10 +96,6 @@ export default class Weight extends React.Component<IWeightProps, IState> {
     magnitude: this.props.mass * 9.81,
     directionInDegrees: 270,
   };
-  xMax = 300;
-  yMax = 300;
-  xMin = 0;
-  yMin = 0;
 
   // Var
   weightStyle = {
@@ -116,10 +116,10 @@ export default class Weight extends React.Component<IWeightProps, IState> {
 
   // Helper function to go between display and real values
   getDisplayYPos = (yPos: number) => {
-    return this.yMax - yPos - 2 * this.props.radius + 5;
+    return this.props.yMax - yPos - 2 * this.props.radius + 5;
   };
   getYPosFromDisplay = (yDisplay: number) => {
-    return this.yMax - yDisplay - 2 * this.props.radius + 5;
+    return this.props.yMax - yDisplay - 2 * this.props.radius + 5;
   };
 
   // Set display values based on real values
@@ -161,7 +161,7 @@ export default class Weight extends React.Component<IWeightProps, IState> {
       if (this.props.updateDisplay.xDisplay != this.state.xPosition) {
         let x = this.props.updateDisplay.xDisplay;
         x = Math.max(0, x);
-        x = Math.min(x, this.xMax - 2 * this.props.radius);
+        x = Math.min(x, this.props.xMax - 2 * this.props.radius);
         this.setState({updatedStartPosX: x})
         this.setState({xPosition: x})
         this.props.setDisplayXPosition(x);
@@ -170,7 +170,7 @@ export default class Weight extends React.Component<IWeightProps, IState> {
       if (this.props.updateDisplay.yDisplay != this.getDisplayYPos(this.state.yPosition)) {
         let y = this.props.updateDisplay.yDisplay;
         y = Math.max(0, y);
-        y = Math.min(y, this.yMax - 2 * this.props.radius);
+        y = Math.min(y, this.props.yMax - 2 * this.props.radius);
         this.props.setDisplayYPosition(y);
         let coordinatePosition = this.getYPosFromDisplay(y);
         this.setState({updatedStartPosY: coordinatePosition})
@@ -235,7 +235,7 @@ export default class Weight extends React.Component<IWeightProps, IState> {
         length * Math.cos(((90 - this.props.adjustPendulumAngle.angle) * Math.PI) / 180);
       const y =
         length * Math.sin(((90 - this.props.adjustPendulumAngle.angle) * Math.PI) / 180);
-      const xPos = this.xMax / 2 - x - this.props.radius;
+      const xPos = this.props.xMax / 2 - x - this.props.radius;
       const yPos = y - this.props.radius - 5;
       this.setState({xPosition: xPos})
       this.setState({yPosition: yPos})
@@ -343,7 +343,7 @@ export default class Weight extends React.Component<IWeightProps, IState> {
     if (!this.props.pendulum) {
       return this.props.updatedForces;
     }
-    const x = this.xMax / 2 - xPos - this.props.radius;
+    const x = this.props.xMax / 2 - xPos - this.props.radius;
     const y = yPos + this.props.radius + 5;
     let angle = (Math.atan(y / x) * 180) / Math.PI;
     if (angle < 0) {
@@ -423,7 +423,7 @@ export default class Weight extends React.Component<IWeightProps, IState> {
     if (this.state.yVelocity > 0) {
       this.props.walls.forEach((wall) => {
         if (wall.angleInDegrees == 0) {
-          const groundY = (wall.yPos / 100) * this.yMax;
+          const groundY = (wall.yPos / 100) * this.props.yMax;
           if (maxY >= groundY) {
             console.log('collision with ground ', wall, maxY)
             if (this.props.elasticCollisions) {
@@ -537,13 +537,13 @@ export default class Weight extends React.Component<IWeightProps, IState> {
           e.preventDefault();
           if (this.state.dragging) {
             let newY = this.state.yPosition + e.clientY - this.state.clickPositionY;
-            if (newY > this.yMax - 2 * this.props.radius) {
-              newY = this.yMax - 2 * this.props.radius;
+            if (newY > this.props.yMax - 2 * this.props.radius) {
+              newY = this.props.yMax - 2 * this.props.radius;
             }
 
             let newX = this.state.xPosition + e.clientX - this.state.clickPositionX;
-            if (newX > this.xMax - 2 * this.props.radius) {
-              newX = this.xMax - 2 * this.props.radius;
+            if (newX > this.props.xMax - 2 * this.props.radius) {
+              newX = this.props.xMax - 2 * this.props.radius;
             } else if (newX < 0) {
               newX = 0;
             }
@@ -551,7 +551,7 @@ export default class Weight extends React.Component<IWeightProps, IState> {
             this.setState({yPosition: newY})
             this.setState({updatedStartPosX: newX})
             this.setState({updatedStartPosY: newY})
-            this.props.setDisplayYPosition(Math.round((this.yMax - 2 * this.props.radius - newY + 5) * 100) / 100)
+            this.props.setDisplayYPosition(Math.round((this.props.yMax - 2 * this.props.radius - newY + 5) * 100) / 100)
             this.setState({clickPositionX: e.clientX})
             this.setState({clickPositionY: e.clientY})
             this.setDisplayValues();
@@ -565,18 +565,18 @@ export default class Weight extends React.Component<IWeightProps, IState> {
             }
             this.setState({dragging: false});
             let newY = this.state.yPosition + e.clientY - this.state.clickPositionY;
-            if (newY > this.yMax - 2 * this.props.radius) {
-              newY = this.yMax - 2 * this.props.radius;
+            if (newY > this.props.yMax - 2 * this.props.radius) {
+              newY = this.props.yMax - 2 * this.props.radius;
             }
 
             let newX = this.state.xPosition + e.clientX - this.state.clickPositionX;
-            if (newX > this.xMax - 2 * this.props.radius) {
-              newX = this.xMax - 2 * this.props.radius;
+            if (newX > this.props.xMax - 2 * this.props.radius) {
+              newX = this.props.xMax - 2 * this.props.radius;
             } else if (newX < 0) {
               newX = 0;
             }
             if (this.props.pendulum) {
-              const x = this.xMax / 2 - newX - this.props.radius;
+              const x = this.props.xMax / 2 - newX - this.props.radius;
               const y = newY + this.props.radius + 5;
               let angle = (Math.atan(y / x) * 180) / Math.PI;
               if (angle < 0) {
@@ -620,11 +620,11 @@ export default class Weight extends React.Component<IWeightProps, IState> {
             zIndex: -2,
           }}
         >
-          <svg width={this.xMax + "px"} height={300 + "px"}>
+          <svg width={this.props.xMax + "px"} height={300 + "px"}>
             <line
               x1={this.state.xPosition + this.props.radius}
               y1={this.state.yPosition + this.props.radius}
-              x2={this.xMax / 2}
+              x2={this.props.xMax / 2}
               y2={-5}
               stroke={"#deb887"}
               strokeWidth="10"
@@ -647,7 +647,7 @@ export default class Weight extends React.Component<IWeightProps, IState> {
                 style={{
                   position: "absolute",
                   zIndex: -1,
-                  left: this.xMax / 2 + "px",
+                  left: this.props.xMax / 2 + "px",
                   top: 30 + "px",
                   backgroundColor: this.labelBackgroundColor,
                 }}
@@ -669,7 +669,7 @@ export default class Weight extends React.Component<IWeightProps, IState> {
               top: 0,
             }}
           >
-            <svg width={this.xMax + "px"} height={300 + "px"}>
+            <svg width={this.props.xMax + "px"} height={300 + "px"}>
               <defs>
                 <marker
                   id="accArrow"
@@ -738,7 +738,7 @@ export default class Weight extends React.Component<IWeightProps, IState> {
               top: 0,
             }}
           >
-            <svg width={this.xMax + "px"} height={300 + "px"}>
+            <svg width={this.props.xMax + "px"} height={300 + "px"}>
               <defs>
                 <marker
                   id="velArrow"
@@ -815,10 +815,10 @@ export default class Weight extends React.Component<IWeightProps, IState> {
           } else {
             labelTop -= 40;
           }
-          labelTop = Math.min(labelTop, this.yMax + 50);
-          labelTop = Math.max(labelTop, this.yMin);
-          labelLeft = Math.min(labelLeft, this.xMax - 60);
-          labelLeft = Math.max(labelLeft, this.xMin);
+          labelTop = Math.min(labelTop, this.props.yMax + 50);
+          labelTop = Math.max(labelTop, this.props.yMin);
+          labelLeft = Math.min(labelLeft, this.props.xMax - 60);
+          labelLeft = Math.max(labelLeft, this.props.xMin);
 
           return (
             <div key={index}>
@@ -827,12 +827,12 @@ export default class Weight extends React.Component<IWeightProps, IState> {
                   pointerEvents: "none",
                   position: "absolute",
                   zIndex: -1,
-                  left: this.xMin,
-                  top: this.yMin,
+                  left: this.props.xMin,
+                  top: this.props.yMin,
                 }}
               >
                 <svg
-                  width={this.xMax - this.xMin + "px"}
+                  width={this.props.xMax - this.props.xMin + "px"}
                   height={300 + "px"}
                 >
                   <defs>
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