21 lines
537 B
Java
21 lines
537 B
Java
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public class Droites {
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public static void main(String[] args) {
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droite(1, 1, 2, 2);
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if(appartient(-1,1, 0, 2, 2)){
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System.out.println("yay");
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}
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}
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public static void droite(double x1, double y1, double x2, double y2){
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double dir_x = x2 - x1, dir_y = y2 - y1;
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double a = -dir_y, b = dir_x;
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double c = a*x1 + b*y1;
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System.out.println("equation de la droite: " + a + "x + " + b + "y = " + c);
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}
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public static boolean appartient(double a, double b, double c, double x, double y){
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return a * x + b * y == c ;
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}
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}
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