From 0be69ea7c31a297442d509eae4dce0c3e0e9fbc1 Mon Sep 17 00:00:00 2001
From: Sam <samkleinhanss98@gmail.com>
Date: Tue, 15 Mar 2022 20:33:34 +1300
Subject: [PATCH] added some structure files

---
 Catalogue/Scripts/colourToText.js           |   3 +
 Catalogue/Scripts/degToRad.js               |   4 +
 Catalogue/Scripts/lerp.js                   |  10 +
 Catalogue/template.html                     |  44 ++
 animate 0.1 (deconstructing)/animation.html | 521 ++++++++++++++++++++
 5 files changed, 582 insertions(+)
 create mode 100644 Catalogue/Scripts/colourToText.js
 create mode 100644 Catalogue/Scripts/degToRad.js
 create mode 100644 Catalogue/Scripts/lerp.js
 create mode 100644 Catalogue/template.html
 create mode 100644 animate 0.1 (deconstructing)/animation.html
diff --git a/Catalogue/Scripts/colourToText.js b/Catalogue/Scripts/colourToText.js
new file mode 100644
index 0000000..a9cbb43
--- /dev/null
+++ b/Catalogue/Scripts/colourToText.js
@@ -0,0 +1,3 @@
+function colourToText(colour) {
+    return "rgb(" + colour[0] + "," + colour[1] + "," + colour[2] + ")"
+}
\ No newline at end of file
diff --git a/Catalogue/Scripts/degToRad.js b/Catalogue/Scripts/degToRad.js
new file mode 100644
index 0000000..4f880c9
--- /dev/null
+++ b/Catalogue/Scripts/degToRad.js
@@ -0,0 +1,4 @@
+function rad(degrees) {
+  var pi = Math.PI;
+  return degrees * (pi / 180);
+}
diff --git a/Catalogue/Scripts/lerp.js b/Catalogue/Scripts/lerp.js
new file mode 100644
index 0000000..8b2db49
--- /dev/null
+++ b/Catalogue/Scripts/lerp.js
@@ -0,0 +1,10 @@
+function LerpRGB(a, b, t) {
+  if (t < 0) {
+    t *= -1;
+  }
+  var newColor = [0, 0, 0];
+  newColor[0] = a[0] + (b[0] - a[0]) * t;
+  newColor[1] = a[1] + (b[1] - a[1]) * t;
+  newColor[2] = a[2] + (b[2] - a[2]) * t;
+  return newColor;
+}
diff --git a/Catalogue/template.html b/Catalogue/template.html
new file mode 100644
index 0000000..e91558d
--- /dev/null
+++ b/Catalogue/template.html
@@ -0,0 +1,44 @@
+<!DOCTYPE html>
+<html>
+  <!-- ahhh -->
+  <body>
+    <canvas
+      id="myCanvas"
+      width="1920"
+      height="1080"
+      style="border: 1px solid #d3d3d3"
+    >
+      Your browser does not support the HTML5 canvas tag.</canvas
+    >
+    <script>
+      let c = document.getElementById("myCanvas");
+      let ctx = c.getContext("2d");
+
+
+      let deg_per_sec = 30;
+      let time = 120;
+      let fps = 60;
+
+      centerX = 1920 / 2;
+      centerY = 1080 / 2;
+
+      j = 0;
+      i = 0;
+
+
+      function render() {
+        if (i < time / (1 / fps)) {
+          setTimeout(() => {
+            render();
+
+            render_clear();
+          }, 1000 / fps);
+          j += (deg_per_sec * 1) / fps; //What is this?
+          i += 1;
+        }
+      }
+
+      render();
+    </script>
+  </body>
+</html>
diff --git a/animate 0.1 (deconstructing)/animation.html b/animate 0.1 (deconstructing)/animation.html
new file mode 100644
index 0000000..7291ef2
--- /dev/null
+++ b/animate 0.1 (deconstructing)/animation.html	
@@ -0,0 +1,521 @@
+<!DOCTYPE html>
+<html>
+<!-- ahhh -->
+<body>
+
+  <canvas id="myCanvas" width="1920" height="1080" style="border:1px solid #d3d3d3;">
+    Your browser does not support the HTML5 canvas tag.</canvas>
+  <script>
+    function rad(degrees) {
+      var pi = Math.PI;
+      return degrees * (pi / 180);
+    }
+
+
+    function colourToText(colour) {
+      return "rgb(" + colour[0] + "," + colour[1] + "," + colour[2] + ")"
+
+    }
+    function LerpRGB(a, b, t) {
+
+      if (t < 0) {
+        t *= -1
+      }
+      var newColor = [0, 0, 0];
+      newColor[0] = a[0] + (b[0] - a[0]) * t;
+      newColor[1] = a[1] + (b[1] - a[1]) * t;
+      newColor[2] = a[2] + (b[2] - a[2]) * t;
+      return newColor;
+    }
+
+    function draw_shape(sides, radius, rotation, x, y, colour) {
+      var rot = Math.round((sides - 2) * 180 / sides * 2)
+      var piv = 360 / sides;
+      var stt = 0.5 * Math.PI - rad(rot) + rad(rotation);
+      var end = 0;
+
+      for (let i = 1; i < sides + 1; i++) {
+        end = stt + rad(rot);
+        ctx.beginPath();
+        ctx.arc(x + Math.cos(rad(90 + piv * i + rotation)) * radius, y + Math.sin(rad(90 + piv * i + rotation)) * radius, radius, stt, end, 0);
+        ctx.strokeStyle = colour;
+        ctx.stroke();
+
+        stt = end + -(rad(rot - piv)) //+rad(30);
+
+      }
+    }
+
+    function draw_shape_sub(sides, radius, rotation, x, y, colour) {
+      var denominator = sides - 2
+      //var rot = Math.round((sides - 2) * 180 / sides * 2)
+      var rot = (Math.round((sides - 2) * 180 / sides * 2)) * (1 / denominator)
+      var piv = 360 / sides;
+      var l = 1
+      var stt = 0.5 * Math.PI - rad(rot) * l + rad(rotation);
+      var end = 0;
+
+      for (let i = 1; i < sides + 1; i++) {
+        end = (stt + rad(rot));
+        ctx.beginPath();
+        ctx.arc(x + Math.cos(rad(90 + piv * i + rotation)) * radius, y + Math.sin(rad(90 + piv * i + rotation)) * radius, radius, stt, end, 0);
+        ctx.strokeStyle = colour;
+        ctx.stroke();
+
+        ctx.beginPath();
+        ctx.arc(x + Math.cos(rad(90 + piv * i + rotation)) * radius, y + Math.sin(rad(90 + piv * i + rotation)) * radius, radius, stt - rad(rot) * l, end - rad(rot) * l, 0);
+        ctx.strokeStyle = colour;
+        ctx.stroke();
+
+        stt = end + -(rad(rot - piv)) //+rad(30);
+
+      }
+    }
+
+    function draw_shape_fill(sides, radius, rotation, x, y, colour) {
+      var rot = Math.round((sides - 2) * 180 / sides * 2)
+      var piv = 360 / sides;
+      var stt = 0.5 * Math.PI - rad(rot) + rad(rotation);
+      var end = 0;
+      var n = radius / ((radius / 10) * (radius / 10)) //pixel correction for mid leaf
+
+      for (let i = 1; i < sides + 1; i++) {
+        end = stt + rad(rot);
+        ctx.beginPath();
+        ctx.arc(x + Math.cos(rad(90 + piv * i + rotation)) * radius, y + Math.sin(rad(90 + piv * i + rotation)) * radius, radius, stt - (stt - end) / 2, end + rad(n), 0);
+        ctx.fillStyle = colour;
+        ctx.fill();
+
+        ctx.beginPath();
+        ctx.arc(x + Math.cos(rad(90 + piv * i + rotation)) * radius, y + Math.sin(rad(90 + piv * i + rotation)) * radius, radius, stt, end - (end - stt) / 2 + rad(n), 0);
+        ctx.fillStyle = colour;
+        ctx.fill();
+
+
+        stt = end + -(rad(rot - piv)) //+rad(30);
+
+      }
+    }
+
+    function Draw_Shape_accident(sides, radius, rotation, x, y, colour) {
+      var rot = Math.round((sides - 2) * 180 / sides * 2)
+      var piv = 360 / sides;
+      var stt = 0.5 * Math.PI - rad(rot) //+ rad(rotation);
+      var end = 0;
+      var n = radius / ((radius / 10) * (radius / 10)) //pixel correction for mid leaf
+
+      for (let i = 1; i < sides + 1; i++) {
+        end = stt + rad(rot);
+
+        ctx.beginPath();
+        ctx.arc(x + Math.cos(rad(90 + piv * i + rotation)) * radius, y + Math.sin(rad(90 + piv * i + rotation)) * radius, radius, stt - (stt - end + rad(rotation)) / 2, end + rad(n), 0);
+        ctx.strokeStyle = colour;
+        ctx.stroke();
+
+
+        ctx.beginPath();
+        ctx.arc(x + Math.cos(rad(90 + piv * i - rotation)) * radius, y + Math.sin(rad(90 + piv * i - rotation)) * radius, radius, stt, end - (end - stt - rad(rotation)) / 2 + rad(n), 0);
+        ctx.strokeStyle = colour;
+        ctx.stroke();
+
+
+        stt = end + -(rad(rot - piv)) //+rad(30);
+      }
+
+    }
+
+    function Draw_Spiral_Pattern(sides, radius, rotation, x, y, colour) {
+      var rot = Math.round((sides - 2) * 180 / sides * 2)
+      var piv = 360 / sides;
+      var stt = 0.5 * Math.PI - rad(rot) //+ rad(rotation);
+      var end = 0;
+      var n = radius / ((radius / 10) * (radius / 10)) //pixel correction for mid leaf
+
+      for (let i = 1; i < sides + 1; i++) {
+        end = stt + rad(rot);
+
+        ctx.beginPath();
+        ctx.arc(x + Math.cos(rad(90 + piv * i + rotation)) * radius, y + Math.sin(rad(90 + piv * i + rotation)) * radius, radius, stt + rad(rotation) - (stt - end) / 2, end + rad(rotation) + rad(n), 0);
+        ctx.strokeStyle = colour;
+        ctx.stroke();
+
+
+        ctx.beginPath();
+        ctx.arc(x + Math.cos(rad(90 + piv * i - rotation)) * radius, y + Math.sin(rad(90 + piv * i - rotation)) * radius, radius, stt - rad(rotation), end - (end - stt) / 2 + rad(n) - rad(rotation), 0);
+        ctx.strokeStyle = colour;
+        ctx.stroke();
+
+
+        stt = end + -(rad(rot - piv)) //+rad(30);
+      }
+
+    }
+
+    function Draw_Spiral(sides, radius, rotation, x, y, colour) {
+      var rot = Math.round((sides - 2) * 180 / sides * 2)
+      var piv = 360 / sides;
+      var stt = 0.5 * Math.PI - rad(rot) + rad(rotation);
+      var end = 0;
+      var n = radius / ((radius / 10) * (radius / 10)) //pixel correction for mid leaf
+
+      for (let i = 1; i < sides + 1; i++) {
+        end = stt + rad(rot);
+        ctx.beginPath();
+        ctx.arc(x + Math.cos(rad(90 + piv * i + rotation)) * radius, y + Math.sin(rad(90 + piv * i + rotation)) * radius, radius, stt - (stt - end) / 2, end + rad(n), 0);
+        ctx.strokeStyle = colour;
+        ctx.stroke();
+
+        /*
+        ctx.beginPath();
+        ctx.arc(x + Math.cos(rad(90 + piv * i + rotation)) * radius, y + Math.sin(rad(90 + piv * i + rotation)) * radius, radius, stt, end - (end - stt) / 2 + rad(n), 0);
+        ctx.fillStyle = colour;
+        ctx.fill();
+        */
+
+        stt = end + -(rad(rot - piv)) //+rad(30);
+      }
+
+    }
+
+    function render_clear() {
+      ctx.clearRect(0, 0, ctx.canvas.width, ctx.canvas.height);
+      ctx.fillStyle = "black";
+      ctx.fillRect(0, 0, ctx.canvas.width, ctx.canvas.height);
+    }
+
+    function draw_triangle(ang, radius) {
+
+      ctx.beginPath();
+      ctx.moveTo(startx + Math.cos(rad(90 + 120 * 1 + ang)) * radius, starty + Math.sin(rad(90 + 120 * 1 + ang)) * radius);
+      ctx.lineTo(startx + Math.cos(rad(90 + 120 * 2 + ang)) * radius, starty + Math.sin(rad(90 + 120 * 2 + ang)) * radius);
+      ctx.lineTo(startx + Math.cos(rad(90 + 120 * 3 + ang)) * radius, starty + Math.sin(rad(90 + 120 * 3 + ang)) * radius);
+      ctx.lineTo(startx + Math.cos(rad(90 + 120 * 1 + ang)) * radius, starty + Math.sin(rad(90 + 120 * 1 + ang)) * radius);
+      ctx.strokeStyle = "red";
+      ctx.stroke();
+    }
+
+
+    var c = document.getElementById("myCanvas");
+    var ctx = c.getContext("2d");
+
+    var sides_org = 3;
+    var r = 300;
+    var deg_per_sec = 30;
+    var time = 120;
+    var fps = 60;
+
+    var rot_org = Math.round((sides_org - 2) * 180 / sides_org * 2)
+    var piv = 360 / sides_org;
+    var angle = 0;
+
+    startx = 1920 / 2//1875/2;
+    starty = 1080 / 2//950/2;//-(Math.tan(30*Math.PI/180)*width/2);
+
+    j = 0;
+    i = 0;
+
+
+    n_angle = 0
+    i_angle = 0
+    tmp_a = angle
+    //var capturer = new CCapture( { format: 'webm' } );
+    /*
+    var capturer = new CCapture( {
+      format: 'webm',
+      framerate: 60,
+      verbose: true
+    } );
+    */
+    //capturer.start();
+
+
+    /*
+        function animate() {
+          requestAnimationFrame( animate );
+          test();
+        }
+    */
+
+    delMe = 0
+
+    function render() {
+
+      if (i < time / (1 / fps)) {
+        setTimeout(() => {
+          render();
+          //requestAnimationFrame(test);
+          angle = j;
+          render_clear();
+          r = 400
+          tmpA = (Math.asin(Math.cos(rad(angle)))) / (2 * Math.PI) + .75
+          tmpB = Math.cos(rad(angle)) / 4 + 0.75
+          tmpC = Math.cos(angle * (3 * Math.PI / 180)) / 4 + 0.75
+          tmpD = (Math.sin(30 * Math.PI / 180)) / Math.sin((150 - (angle - 120 * Math.floor(angle / 120)) * Math.PI / 180))
+          fl = angle - 120 * Math.floor(angle / 120)
+
+          tmpE = 1 / (2 * Math.cos(Math.PI / 3 - (fl * Math.PI / 180)))
+
+          //console.log(tmpE)
+          //console.log("angle: " + angle + " tmpC: " +Math.round(tmpC * 1000) / 1000)
+          /*
+          console.log(Math.cos(0*(3*Math.PI/180))/4+0.75)
+          console.log(Math.cos(30*(3*Math.PI/180))/4+0.75)
+          console.log(Math.cos(60*(3*Math.PI/180))/4+0.75)
+          console.log(Math.cos(180*(3*Math.PI/180))/4+0.75)
+          */
+          s = 400
+          speed_mult = 1
+          tmpF = 1 / (2 * Math.sin(Math.PI / 180 * (150 - angle * speed_mult + 120 * Math.floor(angle * speed_mult / 120))))
+
+          tmpAng = n_angle
+          fl1 = (n_angle - 2 * Math.PI / 3 * (Math.floor(3 * n_angle / (2 * Math.PI))))
+          t1 = Math.abs(Math.sin(Math.PI / 3 - fl1) / (2 * (Math.cos(Math.PI / 3 - fl1)) ** 2))
+
+          n_angle += 1 / (t1 + 1)
+
+          new_angle = -120 * tmpF + 120
+          tmpG = 1 / (2 * Math.sin(Math.PI / 180 * (150 - angle * speed_mult + 120 * Math.floor(angle * speed_mult / 120))))
+
+          //console.log("angle: " + t1 + " | fl1 : "+ fl1)
+          angle_accident = 120 * Math.floor(angle * speed_mult / 120)
+
+          out_angle = 0
+
+          i_angle += angle - tmp_a
+          tmp_a = angle
+          if (i_angle > 120) {
+            i_angle -= 120
+
+          }
+
+          if (i_angle < 60) {
+            out_angle = 120 / (2 * Math.cos(rad(i_angle))) - 60
+
+          }
+          else {
+            out_angle = -120 / (2 * Math.cos(2 * Math.PI / 3 - (i_angle * Math.PI / 180))) + 180
+          }
+          //console.log("angle: " + i_angle + " | out A: " + out_angle)
+          tmpFinal = 1 / (2 * Math.sin(Math.PI / 180 * (150 - out_angle * speed_mult + 120 * Math.floor(out_angle * speed_mult / 120))))
+          //console.log(400*tmpFinal-delMe)
+          delMe = 400 * tmpFinal
+          //draw_triangle(180+0,s)
+
+          //draw_triangle(180+angle*speed_mult,s*tmpF)
+
+          //draw_triangle(180+out_angle*speed_mult,s*tmpFinal)
+          //draw_triangle(180+new_angle*speed_mult,s*tmpG)
+
+          
+          for (let i = 0; i < 25; i++) {
+            draw_triangle(180+out_angle*speed_mult*i,s*tmpFinal**i)
+            //draw_triangle(180+angle*speed_mult*i,s*tmpF**i)
+          
+          }
+          
+          height = 400
+          L = height / 2 * (Math.asin(Math.cos(angle * Math.PI / height)) / Math.PI) + height * 3 / 4
+          L2 = -(.5 * angle - height * Math.floor(angle / (height * 2))) + height
+          B = rad(180) - Math.asin(height * Math.sin(rad(30)) / L2)
+          theFinalAngle = rad(150) - B
+          console.log("L :" + L2 + " | B: " + B * 180 / Math.PI)
+          //draw_triangle(180+ (theFinalAngle*180/Math.PI) ,L)
+
+          //draw_triangle((angle-180)/2.8,tmpA*400)
+          //draw_shape(7,300,0,startx,starty,"red");
+          //draw_shape_sub(7,300,0,startx,starty,"blue");
+          //draw_shape_fill(5,300,angle,startx,starty,"purple");
+          /*
+          draw_shape_fill(5,300,angle,startx,starty,"purple");
+          draw_shape_fill(5,115,-(angle+108),startx,starty,"red");
+          draw_shape_fill(5,44,angle+108,startx,starty,"yellow");
+  
+          draw_shape(5,300,angle,startx,starty,"red");
+          draw_shape(5,115,-(angle+108),startx,starty,"yellow");
+          draw_shape(5,44,angle+108,startx,starty,"purple");
+  */
+          //Draw_Spiral(4,400,0,startx,starty,'red');
+          //Draw_Spiral_Pattern(50, 250, angle, startx, starty, 'red')
+          //Draw_Shape_accident(4,300,angle,startx,starty,'red')
+          //Draw_Spiral(10,400,-angle,startx,starty,'red');
+
+          //draw_shape(99,300,angle,startx,starty,"red");
+          //draw_triangle(0);
+
+          //draw_tri(angle);
+
+          //draw_test_fill(angle);
+
+          //draw_shape(5,300,angle,startx,starty);
+          //draw_shape(3,300,-angle,startx,starty)
+
+          //draw_shape(7,400,angle,startx,starty)
+          //draw_shape(6,r,-angle,startx,starty)
+
+
+          /*
+          colour1 = [137, 54, 255];
+          colour2 = [158, 255, 54];
+          ncolour = LerpRGB(colour1, colour2, Math.cos(rad(angle)));
+          */
+
+          colour1 = [137, 54, 255];
+          colour2 = [158, 255, 54];
+          //Draw_nodal_expanding(2.5,100000,angle*2+33000,angle*0, colour1,colour2,0.5, 5)
+          //Draw_nodal_expanding(2.5,10000,angle,angle*0, colour1,colour2,0.5, 1)
+          //console.log(angle*2)
+          //draw_shape(55,300,angle,startx,starty,"pink")
+          //Draw_Phyllotaxis(angle/5000+1);
+          //draw_shape_fill(4,400,angle,startx,starty,colourToText(ncolour));
+
+          //Draw_rectangle_pattern1(angle, 180, "purple");
+          /*
+                      for (let z = 0; z < 360; z+=360/45) {
+                        Draw_rectangle_pattern1(z+angle,200,"blue");
+                        
+                      }
+                    */
+
+
+
+
+          //capturer.capture( document.getElementById("myCanvas") );
+
+        }, (1000 / fps));
+        j += deg_per_sec * 1 / fps;
+        i += 1;
+      }
+      else {
+        //capturer.stop();
+        //capturer.save();
+      }
+    }
+
+    render()
+    //render_clear()
+    //Draw_nodal(500, 100,33)
+    //draw_shape_fill(5,300,angle,startx,starty,"purple");
+    //draw_shape_fill(5,115,angle+108,startx,starty,"red");
+    //draw_shape(5,300,angle,startx,starty);
+    //Draw_center();
+
+
+    function Draw_Phyllotaxis(angle) {
+      colour1 = [255, 170, 0];
+      colour2 = [255, 0, 221];
+
+      var c = 32;
+
+      for (let n = 50; n < 300; n += 1) {
+        ncolour = LerpRGB(colour1, colour2, Math.cos(rad(n / 2)));
+        var a = n * (angle)//137.5;
+        var r = c * Math.sqrt(n);
+        var x = r * Math.cos(a) + startx;
+        var y = r * Math.sin(a) + starty;
+
+        ctx.beginPath();
+        ctx.arc(x, y, 4, 0, 2 * Math.PI);
+        ctx.fillStyle = colourToText(ncolour);
+        ctx.fill();
+
+      }
+
+
+    }
+
+    function draw_test_fill(angle) {
+
+      ctx.beginPath();
+      ctx.arc(1000, 500, 300, 0, rad(angle));
+      ctx.fillStyle = "purple";
+      ctx.fill();
+
+    }
+
+    function Draw_nodal_expanding(expand, points, step, rotate, colour1, colour2, colour_change, line_width) {
+      var angle = 360 / points * step
+
+      var start_angle = angle;
+      var done = false;
+      var total_moves = 1;
+      var length = expand;
+
+
+      for (let z = 1; z <= 2500; z++) {
+        ctx.beginPath();
+        //ctx.moveTo(startx, starty);
+        ncolour = LerpRGB(colour1, colour2, Math.cos(rad(z * colour_change)));
+
+        ctx.moveTo(startx + (Math.cos(rad(angle * (z - 1) + rotate)) * (length - expand)), starty + (Math.sin(rad(angle * (z - 1) + rotate)) * (length - expand)));
+        ctx.lineTo(startx + (Math.cos(rad(angle * z + rotate)) * length), starty + (Math.sin(rad(angle * z + rotate)) * length));
+        length += expand;
+        ctx.lineWidth = line_width;//try 1
+        ctx.strokeStyle = colourToText(ncolour);
+        ctx.stroke();
+      }
+
+
+    }
+
+    function Draw_nodal(radius, points, step, rotate, colour) {
+      var angle = 360 / points * step
+      ctx.beginPath();
+      var start_angle = angle;
+      var done = false;
+      var total_moves = 1;
+      ctx.moveTo(startx + (Math.cos(rad(angle + rotate)) * radius), starty + (Math.sin(rad(angle + rotate)) * radius));
+
+      while (done != true) {
+        if ((total_moves * step) % points != 0) {
+          total_moves++
+        }
+        else {
+          total_moves++
+          done = true
+        }
+      }
+      for (let z = 1; z <= total_moves; z++) {
+        ctx.lineTo(startx + (Math.cos(rad(angle * z + rotate)) * radius), starty + (Math.sin(rad(angle * z + rotate)) * radius));
+      }
+      ctx.strokeStyle = colour;
+      ctx.stroke();
+
+    }
+
+    function Draw_rectangle_pattern1(angle, size, colour) {
+      ctx.save();
+      ctx.translate(startx, starty)//-(Math.sin(rad(angle)) *startx));
+      ctx.rotate(rad(angle + 180));
+      ctx.beginPath();
+      ctx.strokeStyle = colour;
+      ctx.rect(-size, -size, size, size);
+      ctx.stroke();
+      ctx.restore();
+
+    }
+
+    function draw_tri(angle) {
+      draw_shape(3, 520, angle, startx + 260, starty - 150);
+      draw_shape(3, 520, angle + 60, startx - 260, starty - 150);
+      draw_shape(3, 520, angle + 120, startx, starty + 300);
+
+    }
+
+    function Draw_center() {
+      ctx.beginPath();
+      ctx.moveTo(startx - 100, starty);
+      ctx.lineTo(startx + 100, starty);
+      ctx.moveTo(startx, starty - 100);
+      ctx.lineTo(startx, starty + 100);
+      ctx.strokeStyle = "red";
+      ctx.stroke();
+
+    }
+
+
+
+  </script>
+
+</body>
+
+</html>
\ No newline at end of file
