From the course: Grasshopper and Rhino: C# Scripting

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Looping with the for loop

Looping with the for loop

From the course: Grasshopper and Rhino: C# Scripting

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Looping with the for loop

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- [Instructor] As in Grasshopper, we often need to perform a single or set of instructions for many items in a collection. Say, for example, we have a list of numbers. We may want to create a list of points or objects based on those numbers. In C sharp, we do this with a programming concept known as looping. Looping allows us to execute an instruction repeatedly until a certain condition is met. One common way of doing this in C sharp is with the for-loop, which comes in this format. We start with the keyword for and then three statements in parenthesis. The first statement is a variable, which is usually an integer. This variable is used in a condition each time the loop executes, and can also be used in a code with each loop. We then have a boolean expression, which is required to determine when the loop will end. Lastly, we have a step which will either increment or decrement each time the loop runs. With…

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