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Aftab Alam answered on July 1, 2023 Popularity 8/10 Helpfulness 1/10

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#include <iostream>
#include <graphics.h>
#include <conio.h>

void calculateBezierPoint(int* pointsX, int* pointsY, float t, int n, int& x, int& y) {
    int* tmpX = new int[n + 1];
    int* tmpY = new int[n + 1];

    for (int i = 0; i <= n; ++i) {
        tmpX[i] = pointsX[i];
        tmpY[i] = pointsY[i];
    }

    for (int k = 1; k <= n; ++k) {
        for (int i = 0; i <= n - k; ++i) {
            tmpX[i] = (1 - t) * tmpX[i] + t * tmpX[i + 1];
            tmpY[i] = (1 - t) * tmpY[i] + t * tmpY[i + 1];
        }
    }

    x = tmpX[0];
    y = tmpY[0];

    delete[] tmpX;
    delete[] tmpY;
}

int main() {
    int gd = DETECT, gm;
    initgraph(&gd, &gm, "");

    int controlPointsX[] = {100, 200, 300, 400};
    int controlPointsY[] = {100, 400, 200, 300};
    int numControlPoints = sizeof(controlPointsX) / sizeof(controlPointsX[0]);

    for (int i = 0; i < numControlPoints; ++i) {
        circle(controlPointsX[i], controlPointsY[i], 3);
    }

    float t = 0.0;
    int x, y;

    while (t <= 1.0) {
        calculateBezierPoint(controlPointsX, controlPointsY, t, numControlPoints - 1, x, y);
        putpixel(x, y, WHITE);
        t += 0.001;
    }

    getch();
    closegraph();

    return 0;
}

Popularity 8/10 Helpfulness 1/10 Language cpp

Source: chat.openai.com

Tags: c++ comments

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Contributed on Jul 01 2023

Aftab Alam

0 Answers Avg Quality 2/10

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