From 69e54a72c47189eaa07e27c020ff23c9caf06379 Mon Sep 17 00:00:00 2001
From: Nippy <nippy@rp1.hu>
Date: Mon, 22 Jun 2026 11:15:06 +0200
Subject: gnome cosmic plasma sddm update

---
 .../sddm-rave-theme/Components/ParticleOverlay.qml | 90 ++++++++++++++++++++++
 1 file changed, 90 insertions(+)
 create mode 100644 raveos-plasma-theme/theme-data/sddm/sddm-rave-theme/Components/ParticleOverlay.qml

(limited to 'raveos-plasma-theme/theme-data/sddm/sddm-rave-theme/Components/ParticleOverlay.qml')

diff --git a/raveos-plasma-theme/theme-data/sddm/sddm-rave-theme/Components/ParticleOverlay.qml b/raveos-plasma-theme/theme-data/sddm/sddm-rave-theme/Components/ParticleOverlay.qml
new file mode 100644
index 0000000..6fa02f9
--- /dev/null
+++ b/raveos-plasma-theme/theme-data/sddm/sddm-rave-theme/Components/ParticleOverlay.qml
@@ -0,0 +1,90 @@
+// Config created by Keyitdev https://git.rp1.hu/gabeszm/sddm-rave-theme
+// Copyright (C) 2022-2025 Keyitdev
+// Distributed under the GPLv3+ License https://www.gnu.org/licenses/gpl-3.0.html
+
+import QtQuick 2.15
+
+Canvas {
+    id: particleCanvas
+
+    anchors.fill: parent
+
+    property int particleCount: 55
+    property var particles: []
+    property real time: 0
+
+    function initParticles() {
+        var arr = []
+        for (var i = 0; i < particleCount; i++) {
+            arr.push({
+                x:          Math.random() * width,
+                y:          Math.random() * height,
+                vx:         (Math.random() - 0.5) * 0.35,
+                vy:         (Math.random() - 0.5) * 0.35,
+                baseR:      Math.random() * 2.0 + 0.8,
+                hue:        Math.random() * 360,
+                hueSpeed:   (Math.random() - 0.5) * 0.4,
+                phase:      Math.random() * Math.PI * 2,
+                opacity:    Math.random() * 0.45 + 0.15,
+                glowR:      Math.random() * 18 + 8
+            })
+        }
+        particles = arr
+    }
+
+    onPaint: {
+        var ctx = getContext("2d")
+        ctx.clearRect(0, 0, width, height)
+
+        for (var i = 0; i < particles.length; i++) {
+            var p = particles[i]
+            var r = p.baseR * (0.75 + 0.25 * Math.sin(p.phase + time * 2.2))
+
+            // Glow halo
+            var grd = ctx.createRadialGradient(p.x, p.y, 0, p.x, p.y, p.glowR)
+            grd.addColorStop(0, "hsla(" + p.hue + ",100%,72%," + (p.opacity * 0.55) + ")")
+            grd.addColorStop(1, "hsla(" + p.hue + ",100%,72%,0)")
+            ctx.beginPath()
+            ctx.arc(p.x, p.y, p.glowR, 0, Math.PI * 2)
+            ctx.fillStyle = grd
+            ctx.fill()
+
+            // Core dot
+            ctx.beginPath()
+            ctx.arc(p.x, p.y, r, 0, Math.PI * 2)
+            ctx.fillStyle = "hsla(" + p.hue + ",100%,88%," + p.opacity + ")"
+            ctx.fill()
+        }
+    }
+
+    Timer {
+        interval: 16
+        repeat: true
+        running: true
+        onTriggered: {
+            particleCanvas.time += 0.016
+            var pts = particleCanvas.particles
+            var W = particleCanvas.width
+            var H = particleCanvas.height
+            var t = particleCanvas.time
+            for (var i = 0; i < pts.length; i++) {
+                var p = pts[i]
+                p.x += p.vx + Math.sin(t * 0.9 + p.phase) * 0.28
+                p.y += p.vy + Math.cos(t * 0.7 + p.phase) * 0.28
+                p.hue  += p.hueSpeed
+                p.phase += 0.008
+                var margin = p.glowR
+                if (p.x < -margin)  p.x = W + margin
+                if (p.x > W + margin) p.x = -margin
+                if (p.y < -margin)  p.y = H + margin
+                if (p.y > H + margin) p.y = -margin
+            }
+            particleCanvas.requestPaint()
+        }
+    }
+
+    Component.onCompleted: {
+        // kis késleltetés hogy a méret biztosan kész legyen
+        Qt.callLater(initParticles)
+    }
+}
-- 
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