2D Translation Rectangle Program Using C Programming
In computer graphics, translating an object means moving it from one position to another within the coordinate space. In this blog post, we will explore a C programming implementation of a 2D rectangle translation program using the graphics.h library. The program allows users to draw a rectangle by specifying its starting point, height, and width. Additionally, it demonstrates how to translate the rectangle to a new position based on user-defined translation coordinates. We will provide a detailed explanation of the concepts involved, step-by-step implementation, and the key points to understand.
The concept of 2D translation involves changing the position of an object in a 2-dimensional plane without altering its size, shape, or orientation. In the rectangular context, translation shifts the rectangle to a new location specified by the user through translation coordinates.
🎯 2D Translation Rectangle Example Program
🎯 2D Translation Rectangle Program Explanation
The necessary header files are included in the program. The graphics.h library provides functions for drawing basic shapes and is widely used in C programming for simple graphics applications.
This function is responsible for drawing the rectangle on the screen. It takes four arguments - the initial position (x, y) and the height and width of the rectangle. The function uses the line() function from the graphics.h library to draw lines between the specified points, forming a rectangle.
The Translate function handles the translation of the rectangle. It takes the current position (x, y) of the rectangle, as well as the height and width, as input. The user is prompted to enter the translation coordinates (Newx and Newy). The function then clears the screen using cleardevice() and calculates the new position (a, b) of the rectangle after translation by adding the translation coordinates to the initial position. Finally, it calls the RectAngle function to draw the translated rectangle.
The main function initializes the graphics system using initgraph() and prompts the user to enter the initial position (x, y) of the rectangle, as well as its height and width. It then calls the RectAngle function to draw the original rectangle. After the user presses any key, the screen is cleared, and the Translate function is called, allowing the user to enter translation coordinates. The translated rectangle is then drawn using the RectAngle function.
In this blog post, we explored a C programming implementation of a 2D rectangle translation program using the graphics.h library. The program allows users to draw a rectangle at a specified position and subsequently translate it to a new location by entering translation coordinates. Understanding 2D translation is essential in computer graphics, as it forms the basis for various transformations and animations.
2D translation involves moving an object in a 2-dimensional plane without changing its size or shape.
The graphics.h library provides functions for simple graphics applications in C programming.
The line() function is used to draw lines and create a rectangle.
The program uses the initgraph() function to initialize the graphics system.
The RectAngle() function draws the rectangle based on the specified coordinates and dimensions.
The Translate() function handles the translation of the rectangle to a new position.
Translation coordinates are added to the initial position to calculate the new position of the rectangle.
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