Initial commit

Java/3DEngine/.idea/.gitignore

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+# Default ignored files
+/shelf/
+/workspace.xml

Java/3DEngine/.idea/discord.xml

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+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="DiscordProjectSettings">
+    <option name="show" value="PROJECT_FILES" />
+  </component>
+</project>

Java/3DEngine/.idea/misc.xml

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+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="ProjectRootManager" version="2" languageLevel="JDK_11" default="true" project-jdk-name="11" project-jdk-type="JavaSDK">
+    <output url="file://$PROJECT_DIR$/out" />
+  </component>
+</project>

Java/3DEngine/.idea/modules.xml

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+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="ProjectModuleManager">
+    <modules>
+      <module fileurl="file://$PROJECT_DIR$/3DEngine.iml" filepath="$PROJECT_DIR$/3DEngine.iml" />
+    </modules>
+  </component>
+</project>

Java/3DEngine/.idea/uiDesigner.xml

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+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="Palette2">
+    <group name="Swing">
+      <item class="com.intellij.uiDesigner.HSpacer" tooltip-text="Horizontal Spacer" icon="/com/intellij/uiDesigner/icons/hspacer.png" removable="false" auto-create-binding="false" can-attach-label="false">
+        <default-constraints vsize-policy="1" hsize-policy="6" anchor="0" fill="1" />
+      </item>
+      <item class="com.intellij.uiDesigner.VSpacer" tooltip-text="Vertical Spacer" icon="/com/intellij/uiDesigner/icons/vspacer.png" removable="false" auto-create-binding="false" can-attach-label="false">
+        <default-constraints vsize-policy="6" hsize-policy="1" anchor="0" fill="2" />
+      </item>
+      <item class="javax.swing.JPanel" icon="/com/intellij/uiDesigner/icons/panel.png" removable="false" auto-create-binding="false" can-attach-label="false">
+        <default-constraints vsize-policy="3" hsize-policy="3" anchor="0" fill="3" />
+      </item>
+      <item class="javax.swing.JScrollPane" icon="/com/intellij/uiDesigner/icons/scrollPane.png" removable="false" auto-create-binding="false" can-attach-label="true">
+        <default-constraints vsize-policy="7" hsize-policy="7" anchor="0" fill="3" />
+      </item>
+      <item class="javax.swing.JButton" icon="/com/intellij/uiDesigner/icons/button.png" removable="false" auto-create-binding="true" can-attach-label="false">
+        <default-constraints vsize-policy="0" hsize-policy="3" anchor="0" fill="1" />
+        <initial-values>
+          <property name="text" value="Button" />
+        </initial-values>
+      </item>
+      <item class="javax.swing.JRadioButton" icon="/com/intellij/uiDesigner/icons/radioButton.png" removable="false" auto-create-binding="true" can-attach-label="false">
+        <default-constraints vsize-policy="0" hsize-policy="3" anchor="8" fill="0" />
+        <initial-values>
+          <property name="text" value="RadioButton" />
+        </initial-values>
+      </item>
+      <item class="javax.swing.JCheckBox" icon="/com/intellij/uiDesigner/icons/checkBox.png" removable="false" auto-create-binding="true" can-attach-label="false">
+        <default-constraints vsize-policy="0" hsize-policy="3" anchor="8" fill="0" />
+        <initial-values>
+          <property name="text" value="CheckBox" />
+        </initial-values>
+      </item>
+      <item class="javax.swing.JLabel" icon="/com/intellij/uiDesigner/icons/label.png" removable="false" auto-create-binding="false" can-attach-label="false">
+        <default-constraints vsize-policy="0" hsize-policy="0" anchor="8" fill="0" />
+        <initial-values>
+          <property name="text" value="Label" />
+        </initial-values>
+      </item>
+      <item class="javax.swing.JTextField" icon="/com/intellij/uiDesigner/icons/textField.png" removable="false" auto-create-binding="true" can-attach-label="true">
+        <default-constraints vsize-policy="0" hsize-policy="6" anchor="8" fill="1">
+          <preferred-size width="150" height="-1" />
+        </default-constraints>
+      </item>
+      <item class="javax.swing.JPasswordField" icon="/com/intellij/uiDesigner/icons/passwordField.png" removable="false" auto-create-binding="true" can-attach-label="true">
+        <default-constraints vsize-policy="0" hsize-policy="6" anchor="8" fill="1">
+          <preferred-size width="150" height="-1" />
+        </default-constraints>
+      </item>
+      <item class="javax.swing.JFormattedTextField" icon="/com/intellij/uiDesigner/icons/formattedTextField.png" removable="false" auto-create-binding="true" can-attach-label="true">
+        <default-constraints vsize-policy="0" hsize-policy="6" anchor="8" fill="1">
+          <preferred-size width="150" height="-1" />
+        </default-constraints>
+      </item>
+      <item class="javax.swing.JTextArea" icon="/com/intellij/uiDesigner/icons/textArea.png" removable="false" auto-create-binding="true" can-attach-label="true">
+        <default-constraints vsize-policy="6" hsize-policy="6" anchor="0" fill="3">
+          <preferred-size width="150" height="50" />
+        </default-constraints>
+      </item>
+      <item class="javax.swing.JTextPane" icon="/com/intellij/uiDesigner/icons/textPane.png" removable="false" auto-create-binding="true" can-attach-label="true">
+        <default-constraints vsize-policy="6" hsize-policy="6" anchor="0" fill="3">
+          <preferred-size width="150" height="50" />
+        </default-constraints>
+      </item>
+      <item class="javax.swing.JEditorPane" icon="/com/intellij/uiDesigner/icons/editorPane.png" removable="false" auto-create-binding="true" can-attach-label="true">
+        <default-constraints vsize-policy="6" hsize-policy="6" anchor="0" fill="3">
+          <preferred-size width="150" height="50" />
+        </default-constraints>
+      </item>
+      <item class="javax.swing.JComboBox" icon="/com/intellij/uiDesigner/icons/comboBox.png" removable="false" auto-create-binding="true" can-attach-label="true">
+        <default-constraints vsize-policy="0" hsize-policy="2" anchor="8" fill="1" />
+      </item>
+      <item class="javax.swing.JTable" icon="/com/intellij/uiDesigner/icons/table.png" removable="false" auto-create-binding="true" can-attach-label="false">
+        <default-constraints vsize-policy="6" hsize-policy="6" anchor="0" fill="3">
+          <preferred-size width="150" height="50" />
+        </default-constraints>
+      </item>
+      <item class="javax.swing.JList" icon="/com/intellij/uiDesigner/icons/list.png" removable="false" auto-create-binding="true" can-attach-label="false">
+        <default-constraints vsize-policy="6" hsize-policy="2" anchor="0" fill="3">
+          <preferred-size width="150" height="50" />
+        </default-constraints>
+      </item>
+      <item class="javax.swing.JTree" icon="/com/intellij/uiDesigner/icons/tree.png" removable="false" auto-create-binding="true" can-attach-label="false">
+        <default-constraints vsize-policy="6" hsize-policy="6" anchor="0" fill="3">
+          <preferred-size width="150" height="50" />
+        </default-constraints>
+      </item>
+      <item class="javax.swing.JTabbedPane" icon="/com/intellij/uiDesigner/icons/tabbedPane.png" removable="false" auto-create-binding="true" can-attach-label="false">
+        <default-constraints vsize-policy="3" hsize-policy="3" anchor="0" fill="3">
+          <preferred-size width="200" height="200" />
+        </default-constraints>
+      </item>
+      <item class="javax.swing.JSplitPane" icon="/com/intellij/uiDesigner/icons/splitPane.png" removable="false" auto-create-binding="false" can-attach-label="false">
+        <default-constraints vsize-policy="3" hsize-policy="3" anchor="0" fill="3">
+          <preferred-size width="200" height="200" />
+        </default-constraints>
+      </item>
+      <item class="javax.swing.JSpinner" icon="/com/intellij/uiDesigner/icons/spinner.png" removable="false" auto-create-binding="true" can-attach-label="true">
+        <default-constraints vsize-policy="0" hsize-policy="6" anchor="8" fill="1" />
+      </item>
+      <item class="javax.swing.JSlider" icon="/com/intellij/uiDesigner/icons/slider.png" removable="false" auto-create-binding="true" can-attach-label="false">
+        <default-constraints vsize-policy="0" hsize-policy="6" anchor="8" fill="1" />
+      </item>
+      <item class="javax.swing.JSeparator" icon="/com/intellij/uiDesigner/icons/separator.png" removable="false" auto-create-binding="false" can-attach-label="false">
+        <default-constraints vsize-policy="6" hsize-policy="6" anchor="0" fill="3" />
+      </item>
+      <item class="javax.swing.JProgressBar" icon="/com/intellij/uiDesigner/icons/progressbar.png" removable="false" auto-create-binding="true" can-attach-label="false">
+        <default-constraints vsize-policy="0" hsize-policy="6" anchor="0" fill="1" />
+      </item>
+      <item class="javax.swing.JToolBar" icon="/com/intellij/uiDesigner/icons/toolbar.png" removable="false" auto-create-binding="false" can-attach-label="false">
+        <default-constraints vsize-policy="0" hsize-policy="6" anchor="0" fill="1">
+          <preferred-size width="-1" height="20" />
+        </default-constraints>
+      </item>
+      <item class="javax.swing.JToolBar$Separator" icon="/com/intellij/uiDesigner/icons/toolbarSeparator.png" removable="false" auto-create-binding="false" can-attach-label="false">
+        <default-constraints vsize-policy="0" hsize-policy="0" anchor="0" fill="1" />
+      </item>
+      <item class="javax.swing.JScrollBar" icon="/com/intellij/uiDesigner/icons/scrollbar.png" removable="false" auto-create-binding="true" can-attach-label="false">
+        <default-constraints vsize-policy="6" hsize-policy="0" anchor="0" fill="2" />
+      </item>
+    </group>
+  </component>
+</project>

Java/3DEngine/3DEngine.iml

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+<?xml version="1.0" encoding="UTF-8"?>
+<module type="JAVA_MODULE" version="4">
+  <component name="NewModuleRootManager" inherit-compiler-output="true">
+    <exclude-output />
+    <content url="file://$MODULE_DIR$">
+      <sourceFolder url="file://$MODULE_DIR$/src" isTestSource="false" />
+    </content>
+    <orderEntry type="inheritedJdk" />
+    <orderEntry type="sourceFolder" forTests="false" />
+  </component>
+</module>

Java/3DEngine/src/de/craftix/engine/Calculator.java

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+package de.craftix.engine;
+
+public class Calculator {
+
+    static double CalculatePositionX(double[] viewFrom, double[] viewTo, double x, double y, double z) {
+
+        return 0;
+    }
+
+    static double CalculatePositionY(double[] viewFrom, double[] viewTo, double x, double y, double z) {
+        setStuff(viewFrom, viewTo);
+        return 0;
+    }
+
+    static void setStuff(double[] viewFrom, double[] viewTo) {
+        Vector viewVector = new Vector(viewTo[0] - viewFrom[0], viewTo[1] - viewFrom[1], viewTo[1] - viewFrom[1]);
+
+
+    }
+
+}

Java/3DEngine/src/de/craftix/engine/Engine.java

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+package de.craftix.engine;
+
+import javax.swing.*;
+import java.awt.*;
+
+public class Engine extends JFrame {
+    private Screen screen = new Screen();
+
+    public Engine() {
+        setUndecorated(true);
+        setSize(Toolkit.getDefaultToolkit().getScreenSize());
+        add(screen);
+        setDefaultCloseOperation(EXIT_ON_CLOSE);
+        setVisible(true);
+    }
+
+}

Java/3DEngine/src/de/craftix/engine/Polygon3D.java

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+package de.craftix.engine;
+
+import java.awt.*;
+
+public class Polygon3D {
+    private Color c;
+    private double[] x, y, z;
+
+    public Polygon3D(double[] x, double[] y, double[] z, Color c) {
+        this.c = c;
+        this.x = x;
+        this.y = y;
+        this.z = z;
+        createPolygon();
+    }
+
+    void createPolygon() {
+        double[] newX = new double[x.length];
+        double[] newY = new double[y.length];
+        for (int i = 0; i < x.length; i++) {
+            newX[i] = Calculator.CalculatePositionX(Screen.viewFrom, Screen.viewTo, x[i], y[i], z[i]);
+            newY[i] = Calculator.CalculatePositionY(Screen.viewFrom, Screen.viewTo, x[i], y[i], z[i]);
+        }
+        Screen.polygons[Screen.numberOfPolygons] = new PolygonObject(newX, newY, c);
+    }
+
+}

Java/3DEngine/src/de/craftix/engine/PolygonObject.java

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+package de.craftix.engine;
+
+import java.awt.*;
+
+public class PolygonObject {
+    private Polygon p;
+    private Color c;
+
+    public PolygonObject(double[] x, double[] y, Color c) {
+        Screen.numberOfPolygons++;
+        this.c = c;
+        p = new Polygon();
+        for (int i = 0; i < x.length; i++) p.addPoint((int) x[i], (int) y[i]);
+    }
+
+    void  drawPolygon(Graphics g) {
+        g.setColor(c);
+        g.drawPolygon(p);
+    }
+
+}

Java/3DEngine/src/de/craftix/engine/Screen.java

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+package de.craftix.engine;
+
+import javax.swing.*;
+import java.awt.*;
+
+public class Screen extends JPanel {
+    static double[] viewFrom = new double[]{ 10, 10, 10 };
+    static double[] viewTo = new double[]{ 0, 0, 0 };
+
+    public static int numberOfPolygons = 0;
+    public static PolygonObject[] polygons = new PolygonObject[100];
+
+    Polygon3D poly3D;
+
+    public Screen() {
+        poly3D = new Polygon3D(new double[]{2, 4, 2}, new double[]{2, 4, 6}, new double[]{5, 5, 5}, Color.BLACK);
+    }
+
+    @Override
+    protected void paintComponent(Graphics g) {
+        super.paintComponent(g);
+
+        for (int i = 0; i < numberOfPolygons; i++) polygons[i].drawPolygon(g);
+    }
+}

Java/3DEngine/src/de/craftix/engine/Vector.java

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+package de.craftix.engine;
+
+public class Vector {
+    double x, y, z;
+
+    public Vector(double x, double y, double z) {
+        double length = Math.sqrt(x*x + y*y + z*z);
+        this.x = x / length;
+        this.y = y / length;
+        this.z = z / length;
+    }
+
+    Vector crossProduct(Vector v) {
+        return new Vector(
+                y * v.z - z * v.y,
+                z * v.x - x * v.z,
+                x * v.y - y * v.x
+        );
+    }
+
+}

Java/3DEngine/src/test/Main.java

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+package test;
+
+import de.craftix.engine.Engine;
+
+public class Main {
+
+    public static void main(String[] args) {
+        new Engine();
+    }
+
+}