From 3cbbe8774741a2e3023b0427958190f14e467768 Mon Sep 17 00:00:00 2001
From: lawgicau <lawgicau@gmail.com>
Date: Thu, 3 Sep 2020 11:24:32 +1000
Subject: [PATCH] Intial minimum length script conversion

---
 js/minimumlength.js | 44 ++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 44 insertions(+)
 create mode 100644 js/minimumlength.js

diff --git a/js/minimumlength.js b/js/minimumlength.js
new file mode 100644
index 0000000..f2ec3d0
--- /dev/null
+++ b/js/minimumlength.js
@@ -0,0 +1,44 @@
+// adapted from a python script written by WiseroOrb here: https://github.com/teachingtechYT/teachingtechYT.github.io/issues/126
+
+function processMinimumLength() {
+    var distance = 100;//document.minlengthForm.distance.value;
+    var startInc = 1;//document.minlengthForm.startinc.value;
+    var endInc = 0.1;//document.minlengthForm.endinc.value;
+    var step = 0.1;//document.minlengthForm.step.value;
+    var feedrate = 60*60;//document.minlengthForm.feedrate.value*60;
+    var accel = 500;//document.minlengthForm.acceleration.value;
+    var xpos = 10;
+    var ypos = 10;
+
+    if(startInc < endInc) {
+        alert("Starting increment must be greater than ending increment. Please alter your inputs.");
+        return false;
+    }
+    if(step < 0) {
+        alert("Step value must be positive. Please alter your input.");
+        return false;
+    }
+    var gcode = "; adapted from a python script written by WiseroOrb here: https://github.com/teachingtechYT/teachingtechYT.github.io/issues/126\n; User input parameters:";
+    gcode += "; Distance: "+distance+" mm\n";
+    gcode += "; Starting increment: "+startInc+"\n";
+    gcode += "; Ending increment: "+endInc+"\n";
+    gcode += "; Step: "+step+"\n";
+    gcode += "; Feedrate: "+feedrate+" mm/sec\n";
+    gcode += "; M204 Print acceleration: "+accel+" mm/sec/sec\n"
+    gcode += "; Start gcode\nG21\nG90\nG28\nT0\nG1 Z5 F100";
+    gcode += "M204 T"+accel+"\n";
+    gcode += "G0 F"+feedrate+"\n";
+    var cycles = parseInt((startInc - endInc) / step) +1;
+    for(var i = 0; i < cycles; i++) {
+        var inc = startInc - i*step;
+        var n_lines = parseInt(distance/inc);
+        gcode += "G0 X"+xpos+" Y"+ypos+"\nM400\n";
+        gcode += "; increment = "+inc+"\n";
+        gcode += "M117 "+inc+"\n";
+        for(var j = 0; j < n_lines; j++) {
+            gcode += "G0 X"+parseFloat(xpos + inc*j)+"\n";
+        }
+    }
+    gcode += "M117 Complete";
+    downloadFile('minimumlength.gcode', gcode);
+}
\ No newline at end of file