Initial commit

js/Weight Calculation Script-Edited-Jquery-V4.js

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+// calculation function starts here
+
+    function startcalc() {
+
+        //calls inputs to start calculation
+        var weighttolift = jQuery(".input-weight").val();
+        var percentage = jQuery(".input-percentage").val();
+        var bar = jQuery(".input-bar").val();
+
+
+        // calculates and logs final values
+        var final = Math.floor(weighttolift * percentage);
+
+
+
+        // calculates weight of the plates needed
+        var finalPlateWeights = final - bar;
+
+
+        //This creates an arrary for the weights available
+        var plateWeights = [];
+
+        $( ".input-weightsavailable" ).each( function(){
+           plateWeights.push( $( this ).data( "weight" ));
+        });
+        
+
+
+        //This creates an arrary for the number of plates available
+        var platesAvailable = [];
+
+        $( ".input-weightsavailable" ).each( function(){
+           platesAvailable.push( $( this ).val());
+        });
+
+        //calls the plate calculator function
+        platecalculator(plateWeights, platesAvailable, finalPlateWeights, final);
+
+    }
+
+//plate calulation function
+    function platecalculator ( plateWeights, platesAvailable, target, finalWeight) {
+        //iterates though the plates availble.
+        for (var i = 0; i < platesAvailable.length; i++) {
+            //checks if the plate is less than or equal to the weight of plates needed
+            if (plateWeights[i]*2 <= target) {
+                var weightToAdd = Math.floor(target / (plateWeights[i]*2));
+                
+                //check if there are enough weights
+                var plateCheck = Math.floor(platesAvailable[i]/2);
+                if (weightToAdd > plateCheck) {
+                    weightToAdd = plateCheck;
+                }
+                //subtracts added weights
+                target = target - weightToAdd*(plateWeights[i]*2);
+
+                //Adds plates required
+                if (weightToAdd > 0) {
+                    jQuery(".input-weightsneeded").eq(i).val(weightToAdd);
+                }
+
+                //sets the offset
+                jQuery(".input-difference").text(target);
+
+                //sets the final weight
+                jQuery(".input-final").text(finalWeight - target);
+
+            }
+        }
+    }