124 lines
3.9 KiB
Dart
124 lines
3.9 KiB
Dart
import 'package:wonders/common_libs.dart';
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enum ArchType { spade, pyramid, arch, wideArch, flatPyramid }
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class ArchClipper extends CustomClipper<Path> {
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ArchClipper(this.type);
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final ArchType type;
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@override
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Path getClip(Size size) {
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final pts = _getArchPts(size, type);
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// Points start at bottom left corner, and go clock-wise
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var clip = Path()..moveTo(pts[0].pos.dx, pts[0].pos.dy);
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for (var i = 1; i < pts.length; i++) {
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final p = pts[i];
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clip.quadraticBezierTo(p.control.dx, p.control.dy, p.pos.dx, p.pos.dy);
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}
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clip.lineTo(pts[0].pos.dx, pts[0].pos.dy);
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return clip;
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}
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@override
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bool shouldReclip(covariant ArchClipper oldClipper) => oldClipper.type != type;
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}
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class ArchPoint {
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ArchPoint(this.pos, [Offset? control]) {
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this.control = control ?? pos;
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}
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final Offset pos;
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late final Offset control;
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static ArchPoint lerp(ArchPoint ptA, ArchPoint ptB, double t) {
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return ArchPoint(
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Offset.lerp(ptA.pos, ptB.pos, t) ?? Offset.zero,
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Offset.lerp(ptA.control, ptB.control, t) ?? Offset.zero,
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);
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}
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}
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List<ArchPoint> _getArchPts(Size size, ArchType type) {
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double distanceFromTop = 100;
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switch (type) {
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case ArchType.pyramid:
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return [
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ArchPoint(Offset(0, size.height)),
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ArchPoint(Offset(0, distanceFromTop)),
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ArchPoint(Offset(size.width / 2, 0)),
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ArchPoint(Offset(size.width, distanceFromTop)),
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ArchPoint(Offset(size.width, size.height)),
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];
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case ArchType.spade:
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return [
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ArchPoint(Offset(0, size.height)),
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ArchPoint(Offset(0, distanceFromTop)),
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ArchPoint(Offset(size.width / 2, 0), Offset(0, distanceFromTop * .66)),
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ArchPoint(Offset(size.width, distanceFromTop), Offset(size.width, distanceFromTop * .66)),
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ArchPoint(Offset(size.width, size.height)),
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];
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case ArchType.arch:
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return [
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ArchPoint(Offset(0, size.height)),
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ArchPoint(Offset(0, distanceFromTop * 2)),
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ArchPoint(Offset(size.width / 2, 0), Offset(0, 0)),
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ArchPoint(Offset(size.width, distanceFromTop * 2), Offset(size.width, 0)),
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ArchPoint(Offset(size.width, size.height)),
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];
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case ArchType.wideArch:
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return [
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ArchPoint(Offset(0, size.height)),
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ArchPoint(Offset(0, distanceFromTop * 2)),
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ArchPoint(Offset(0, distanceFromTop)),
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ArchPoint(Offset(size.width / 2, 0), Offset(0, 0)),
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ArchPoint(Offset(size.width, distanceFromTop), Offset(size.width, 0)),
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ArchPoint(Offset(size.width, distanceFromTop * 2)),
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ArchPoint(Offset(size.width, size.height)),
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];
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case ArchType.flatPyramid:
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return [
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ArchPoint(Offset(0, size.height)),
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ArchPoint(Offset(0, distanceFromTop)),
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ArchPoint(Offset(size.width * 0.8 / 2, 0)),
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ArchPoint(Offset(size.width * 1.2 / 2, 0)),
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ArchPoint(Offset(size.width, distanceFromTop)),
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ArchPoint(Offset(size.width, size.height)),
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];
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}
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}
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class CurvedTopClipper extends CustomClipper<Path> {
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CurvedTopClipper({this.flip = false});
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final bool flip;
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@override
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Path getClip(Size size) {
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double radius = size.width / 2;
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var path = Path();
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if (flip) {
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// path.addOval(Rect.fromCircle(center: Offset.zero, radius: 40));
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path.lineTo(0, size.height - radius);
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path.arcToPoint(
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Offset(size.width, size.height - radius),
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radius: Radius.circular(size.width / 2),
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clockwise: false,
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);
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path.lineTo(size.width, 0);
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path.lineTo(0, 0);
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} else {
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path.lineTo(0, 0);
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path.lineTo(0, radius);
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path.arcToPoint(
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Offset(size.width, radius),
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radius: Radius.circular(radius / 2),
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);
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path.lineTo(size.width, size.height);
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path.lineTo(0, size.height);
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}
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return path;
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}
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@override
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bool shouldReclip(CurvedTopClipper oldClipper) => oldClipper.flip != flip;
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}
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