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summer_2019:glowscript_tips [2019/08/13 00:18] wellerd |
summer_2019:glowscript_tips [2019/08/13 00:27] (current) wellerd |
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| * **Printing values and text** - The ''print()'' command will output any value called from within the parentheses. You can print variables and attributes from your code as a way of checking what numbers the simulation has calculated. The following code creates a conical object named ''IceCreamCone'', and the ''print(IceCreamCone.size.x)'' command prints the x-component of the object's size attribute. If you want to print text, it must be transformed into a "string" of letters by using quotation marks within the ''print()'' command. | * **Printing values and text** - The ''print()'' command will output any value called from within the parentheses. You can print variables and attributes from your code as a way of checking what numbers the simulation has calculated. The following code creates a conical object named ''IceCreamCone'', and the ''print(IceCreamCone.size.x)'' command prints the x-component of the object's size attribute. If you want to print text, it must be transformed into a "string" of letters by using quotation marks within the ''print()'' command. | ||
| <code> | <code> | ||
| - | IceCreamCone=cone(pos=vec(10,20,0), axis=vec(5,0,0), size=vec(12,3,3) | + | IceCreamCone=cone(pos=vec(0,0,0), axis=vec(0,-5,0), size=vec(3,1,1)) |
| - | print(IceCreamCone.size.x) | + | print("Ice cream cone length:", IceCreamCone.size.x) |
| print("Two scoops of butter pecan please!") | print("Two scoops of butter pecan please!") | ||
| </code> | </code> | ||
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| ==== Graphing ==== | ==== Graphing ==== | ||
| * **Graphs** - the most convenient graphs in Glowscript utilize the ''gcurve'' command which plots x-y data points as a scatterplot and connects the points with a line. In general, Three lines of code are needed to graph in Glowscript... | * **Graphs** - the most convenient graphs in Glowscript utilize the ''gcurve'' command which plots x-y data points as a scatterplot and connects the points with a line. In general, Three lines of code are needed to graph in Glowscript... | ||
| - | 1) A line above the while loop which creates the axes and titles of the graph (line 3 in the picture below). | + | - A line above the while loop which creates the axes and titles of the graph (line 3 in the picture below). |
| - | 2) A line above the while loop which tells the program what you are about to graph (line 4 in the picture below). | + | - A line above the while loop which tells the program what you are about to graph (line 4 in the picture below). |
| - | 3) A line inside of the while loop which plots the respective x-y data point for that iteration of the while loop (line 19 in the picture below). | + | - A line inside of the while loop which plots the respective x-y data point for that iteration of the while loop (line 19 in the picture below). |
| {{:summer_2019:python-trinket-physics.png?400|}} | {{:summer_2019:python-trinket-physics.png?400|}} | ||