From b0324289066876915efb84a133eca039d8e8c8ee Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Anton=20Luka=20=C5=A0ijanec?= <anton@sijanec.eu>
Date: Sun, 17 Dec 2023 23:17:03 +0100
Subject: =?UTF-8?q?=C5=A1ola?=
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---
 "\305\241ola/p1/dn/6/Premica.java" | 50 ++++++++++++++++++++++++++++++++++++++
 1 file changed, 50 insertions(+)
 create mode 100644 "\305\241ola/p1/dn/6/Premica.java"

(limited to 'šola/p1/dn/6/Premica.java')

diff --git "a/\305\241ola/p1/dn/6/Premica.java" "b/\305\241ola/p1/dn/6/Premica.java"
new file mode 100644
index 0000000..2d2ec4e
--- /dev/null
+++ "b/\305\241ola/p1/dn/6/Premica.java"
@@ -0,0 +1,50 @@
+import java.util.*;
+public class Premica {
+	private double k;
+	private double n;
+	public Premica(double k, double n) {
+		this.k = k;
+		this.n = n;
+	}
+	public double vrniK() {
+		return this.k;
+	}
+	public double vrniN() {
+		return this.n;
+	}
+	public String toString() {
+		return String.format(Locale.ROOT, "y = %.2f x + %.2f", this.k, this.n);
+	}
+	public Tocka tockaPriX(double x) {
+		return new Tocka(x, this.k*x+this.n);
+	}
+	public static Premica skoziTocko(double k, Tocka t) {
+		return new Premica(k, t.vrniY()-k*t.vrniX());
+	}
+
+	public Premica vzporednica(Tocka t) {
+		return skoziTocko(this.k, t);
+	}
+
+	public Premica pravokotnica(Tocka t) {
+		return skoziTocko(-1/this.k, t);
+	}
+
+	public Tocka presecisce(Premica p, double epsilon) {
+		if (Math.abs(this.k - p.vrniK()) < epsilon)
+			return null;
+		return tockaPriX((this.n-p.vrniN())/(p.vrniK()-this.k));
+	}
+	public Tocka projekcija(Tocka t) {
+		return presecisce(pravokotnica(t), 0);
+	}
+	public double razdalja(Tocka t) {
+		return t.razdalja(projekcija(t));
+	}
+	public double razdaljaOdIzhodisca() {
+		return Tocka.izhodisce().razdalja(projekcija(Tocka.izhodisce()));
+	}
+	public double razdalja(double n) {
+		return new Premica(this.k, n).razdalja(tockaPriX(0));
+	}
+}
-- 
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