-
Notifications
You must be signed in to change notification settings - Fork 11
Commit
This commit does not belong to any branch on this repository, and may belong to a fork outside of the repository.
Write custom shaders for circular gauges and arc gauges
Animating the Shape-based gauges is too expensive. So reimplement them as single-pass shaders.
- Loading branch information
Showing
13 changed files
with
484 additions
and
129 deletions.
There are no files selected for viewing
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,81 @@ | ||
| import QtQuick | ||
| import Victron.VenusOS | ||
|
|
||
| Item { | ||
| id: gauge | ||
|
|
||
| property real value // from 0.0 to 100.0 | ||
| property color remainderColor: "gray" | ||
| property color progressColor: "blue" | ||
| property color shineColor: Qt.rgba(1.0, 1.0, 1.0, 0.85) | ||
| property real startAngle: 0 | ||
| property real endAngle: 270 | ||
| property real progressAngle: startAngle + ((endAngle - startAngle) * Math.min(Math.max(gauge.value, 0.0), 100.0) / 100.0) | ||
| property real strokeWidth: width/25 | ||
| property real radius: (width - strokeWidth - smoothing)/2 | ||
| property real smoothing: 1 // how many pixels of antialiasing to apply. | ||
| property bool clockwise: true | ||
| property bool shineAnimationEnabled: true | ||
| property bool animationEnabled: true | ||
|
|
||
| property real _normalizedRadiansFactor: (Math.PI/180) / (2*Math.PI) | ||
| property real _maxRadius: width/2 | ||
|
|
||
| onProgressAngleChanged: { | ||
| if (!progressAnimator.running) { | ||
| progressAnimator.from = shader.progressAngle | ||
| progressAnimator.to = gauge.progressAngle * _normalizedRadiansFactor | ||
| progressAnimator.start() | ||
| } | ||
| } | ||
|
|
||
| Timer { | ||
| running: gauge.shineAnimationEnabled | ||
| interval: Theme.animation.briefPage.centerGauge.shine.duration + (Theme.animation.briefPage.centerGauge.shine.duration * Theme.animation.briefPage.centerGauge.shine.pauseRatio) | ||
| repeat: true | ||
| onTriggered: { | ||
| shineAnimator.duration = (gauge.progressAngle / gauge.endAngle) * Theme.animation.briefPage.centerGauge.shine.duration | ||
| shineAnimator.from = 0.0 | ||
| shineAnimator.to = Math.min(gauge.endAngle, gauge.progressAngle+5) * _normalizedRadiansFactor | ||
| shineAnimator.start() | ||
| } | ||
| } | ||
|
|
||
| ShaderEffect { | ||
| id: shader | ||
| anchors.fill: parent | ||
| fragmentShader: "shaders/circulargauge.frag.qsb" | ||
|
|
||
| property color remainderColor: gauge.remainderColor | ||
| property color progressColor: gauge.progressColor | ||
| property color shineColor: gauge.shineColor | ||
| // transform angles to radians and then normalize | ||
| property real startAngle: gauge.startAngle * gauge._normalizedRadiansFactor | ||
| property real endAngle: gauge.endAngle * gauge._normalizedRadiansFactor | ||
| property real progressAngle: -1.0 | ||
| property real shineAngle: -1.0 | ||
| // transform radii to uv coords | ||
| property real innerRadius: (gauge.radius - (gauge.strokeWidth/2)) / (gauge._maxRadius) | ||
| property real radius: gauge.radius / (gauge._maxRadius) | ||
| property real outerRadius: (gauge.radius + (gauge.strokeWidth/2)) / (gauge._maxRadius) | ||
| // transform smoothing pixels to uv distance | ||
| property real smoothing: gauge.smoothing / gauge._maxRadius | ||
| property real clockwise: gauge.clockwise ? 1.0 : 0.0 | ||
|
|
||
| UniformAnimator { | ||
| id: progressAnimator | ||
| target: shader | ||
| uniform: "progressAngle" | ||
| duration: Theme.animation.progressArc.duration | ||
| easing.type: Easing.InOutQuad | ||
| } | ||
|
|
||
| UniformAnimator { | ||
| id: shineAnimator | ||
| target: shader | ||
| uniform: "shineAngle" | ||
| easing.type: Easing.InQuad | ||
| onRunningChanged: if (!running) shader.shineAngle = -1.0 | ||
| } | ||
| } | ||
| } |
Oops, something went wrong.