1 files changed, 164 insertions, 0 deletions
diff --git a/src-qt5/src-qml/test/Grav.qml b/src-qt5/src-qml/test/Grav.qml
new file mode 100644
index 00000000..d7404a56
--- /dev/null
+++ b/src-qt5/src-qml/test/Grav.qml
@@ -0,0 +1,164 @@
+import QtQuick 2.7
+import QtQuick.Window 2.2
+import QtGraphicalEffects 1.0
+
+Rectangle {
+  id : canvas
+  anchors.fill: parent
+  width: Screen.width 
+  height: Screen.height
+  color: "black"
+
+  //TODO Add orbital trails option
+  //TODO Fix jitteryness and start position
+  //TODO Make orbits more extreme 
+
+  //Between 5 and 15 planets, read from settings
+  property int planets: Math.round(( Math.random() * 10 ) + 5 )
+  property int cx: Math.round(width/2)
+  property int cy: Math.round(height/2)
+
+  //Create planets
+  Repeater {
+    id: planetRepeater
+    model: planets
+
+    Rectangle {
+      id : index
+      parent: canvas
+
+      //Creates random distance for elipse
+      property double c: Math.random() * 250
+      property double b: Math.random() * 150 + c
+      property double a: Math.sqrt(b*b+c*c)
+      //Random angle of rotation
+      property double th: Math.random() * Math.PI 
+      property var pathX: createPathX()
+      property var pathY: createPathY()
+      property var testArray: createTest()
+
+      //Calculates starting position
+      x: Math.round(cx + a * Math.cos(th))
+      y: Math.round(cy + b * Math.sin(th))
+
+      //Planet size between 14 and 32 pixels
+      width: Math.round(1.75 * (((Math.random() * 10) + 8 )))
+      height: width
+
+      //Make each rectangle look circular
+      radius: width / 2
+
+      //Give each planet a random color, semi-transparent
+      color: Qt.rgba(Math.random(), Math.random(), Math.random(), 0.5)
+
+      PathAnimation on x{
+        loops: Animation.Infinite
+        duration: 200
+        path: Path {
+          startX: x
+          startY: y
+          PathCurve { x: pathX; y: pathY }
+        }
+      }
+
+      NumberAnimation {
+      
+      }
+
+      function createTest() {
+        var test = []
+        for(var i = 1; i <= 200; i++) {
+          test.push(PathCurve { x: pathX[i]; y: pathY[i] })
+        }
+        return test 
+      }
+
+      function createPathX() {
+        var pathX = []
+        for(var i = 1; i <= 200; i++) {
+          pathX.push(cx+a*Math.cos(2*Math.PI*(i/200.0))*Math.cos(th) - b*Math.sin(2*Math.PI*(i/200.0))*Math.sin(th))
+        }
+        return pathX
+      }
+
+      function createPathY() {
+        var pathY = []
+        for(var i = 1; i <= 200; i++) {
+          pathY.push(cy+a*Math.cos(2*Math.PI*(i/200.0))*Math.sin(th) + b*Math.sin(2*Math.PI*(i/200.0))*Math.cos(th))
+        }
+        return pathY
+      }
+
+      /*Timer {
+        //Each planet updates between 1ms and 51ms (smaller times=faster)
+        interval: Math.round(Math.random() * 50 ) + 1
+        repeat: true
+        running: true
+        property int time: 0
+
+        onTriggered: {
+          //Parametric equation that calculates the position of the general ellipse. Completes a loop ever 314 cycles. Credit to 
+          x = cx+a*Math.cos(2*Math.PI*(time/314.0))*Math.cos(th) - b*Math.sin(2*Math.PI*(time/314.0))*Math.sin(th)
+          y = cy+a*Math.cos(2*Math.PI*(time/314.0))*Math.sin(th) + b*Math.sin(2*Math.PI*(time/314.0))*Math.cos(th)
+          time++;
+
+          //Move a planet 80 pixels away from the sun if the planet is too close
+          if(x > cx && Math.abs(cx-x) < 80) {
+            x+=80
+          }else if(x < cx && Math.abs(cx-x) < 80) {
+            x-=80
+          }
+
+          if(y > cy && Math.abs(cy-y) < 80) {
+            y+=80
+          }else if(y < cy && Math.abs(cy-y) < 80) {
+            y-=80
+          }
+        }
+      }*/
+    }
+  }
+
+  //Create the star
+  Rectangle{
+    id: star
+    parent: canvas
+
+    //Centers in star in the center of the canvas, with an offset to center the animation
+    x: cx - 30
+    y: cy - 30
+
+    width: 60 
+    height: width 
+
+    //Create the wobble animation
+    SequentialAnimation on height {
+      loops: Animation.Infinite
+      PropertyAnimation { duration: 2000; to: 90 }
+      PropertyAnimation { duration: 2000; to: 60 }
+    }
+
+    SequentialAnimation on width {
+      loops: Animation.Infinite
+      PropertyAnimation { duration: 2000; to: 90 }
+      PropertyAnimation { duration: 2000; to: 60 }
+    }
+
+    color: "black"
+    radius: width / 2
+
+    //Creates a radial gradient to make the star look cool
+    RadialGradient {
+      anchors.fill: parent
+      gradient: Gradient { 
+        GradientStop { position:0    ;color: Qt.rgba(0,0,0,0)}
+        GradientStop { position:0.18 ;color: Qt.rgba(0,0,0,0)}
+        GradientStop { position:0.2  ;color: Qt.rgba(0.32,0.47,0.30,0.13)}
+        GradientStop { position:0.3  ;color: Qt.rgba(0.62,0.92,0.58,0.25)}
+        GradientStop { position:0.4  ;color: Qt.rgba(1.00,0.93,0.59,0.51)}
+        GradientStop { position:0.5  ;color: Qt.rgba(0,0,0,0)}
+      }
+    } 
+
+  }
+}