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station-clock.js
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station-clock.js
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/*!
* station-clock.js
*
* Copyright (c) 2010 Ruediger Appel
* ludi at mac dot com
*
* Date: 2016-02-16
* Version: 1.0.1
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
* Known Issues:
*
* Shadows for some second hands is not on one layer
*
* Thanks to Paul Schröfl for the Wiener Würfeluhr
*/
// clock body (Uhrgehäuse)
StationClock.NoBody = 0;
StationClock.SmallWhiteBody = 1;
StationClock.RoundBody = 2;
StationClock.RoundGreenBody = 3;
StationClock.SquareBody = 4;
StationClock.ViennaBody = 5;
// stroke dial (Zifferblatt)
StationClock.NoDial = 0;
StationClock.GermanHourStrokeDial = 1;
StationClock.GermanStrokeDial = 2;
StationClock.AustriaStrokeDial = 3;
StationClock.SwissStrokeDial = 4;
StationClock.ViennaStrokeDial = 5;
//clock hour hand (Stundenzeiger)
StationClock.PointedHourHand = 1;
StationClock.BarHourHand = 2;
StationClock.SwissHourHand = 3;
StationClock.ViennaHourHand = 4;
//clock minute hand (Minutenzeiger)
StationClock.PointedMinuteHand = 1;
StationClock.BarMinuteHand = 2;
StationClock.SwissMinuteHand = 3;
StationClock.ViennaMinuteHand = 4;
//clock second hand (Sekundenzeiger)
StationClock.NoSecondHand = 0;
StationClock.BarSecondHand = 1;
StationClock.HoleShapedSecondHand = 2;
StationClock.NewHoleShapedSecondHand = 3;
StationClock.SwissSecondHand = 4;
// clock boss (Zeigerabdeckung)
StationClock.NoBoss = 0;
StationClock.BlackBoss = 1;
StationClock.RedBoss = 2;
StationClock.ViennaBoss = 3;
// minute hand behavoir
StationClock.CreepingMinuteHand = 0;
StationClock.BouncingMinuteHand = 1;
StationClock.ElasticBouncingMinuteHand = 2;
// second hand behavoir
StationClock.CreepingSecondHand = 0;
StationClock.BouncingSecondHand = 1;
StationClock.ElasticBouncingSecondHand = 2;
StationClock.OverhastySecondHand = 3;
function StationClock(clockId) {
this.clockId = clockId;
this.radius = 0;
// hour offset
this.hourOffset = 0;
// clock body
this.body = StationClock.RoundBody;
this.bodyShadowColor = "rgba(0,0,0,0.5)";
this.bodyShadowOffsetX = 0.03;
this.bodyShadowOffsetY = 0.03;
this.bodyShadowBlur = 0.06;
// body dial
this.dial = StationClock.GermanStrokeDial;
this.dialColor = 'rgb(60,60,60)';
// clock hands
this.hourHand = StationClock.PointedHourHand;
this.minuteHand = StationClock.PointedMinuteHand;
this.secondHand = StationClock.HoleShapedSecondHand;
this.handShadowColor = 'rgba(0,0,0,0.3)';
this.handShadowOffsetX = 0.03;
this.handShadowOffsetY = 0.03;
this.handShadowBlur = 0.04;
// clock colors
this.hourHandColor = 'rgb(0,0,0)';
this.minuteHandColor = 'rgb(0,0,0)';
this.secondHandColor = 'rgb(200,0,0)';
// clock boss
this.boss = StationClock.NoBoss;
this.bossShadowColor = "rgba(0,0,0,0.2)";
this.bossShadowOffsetX = 0.02;
this.bossShadowOffsetY = 0.02;
this.bossShadowBlur = 0.03;
// hand behavoir
this.minuteHandBehavoir = StationClock.CreepingMinuteHand;
this.secondHandBehavoir = StationClock.OverhastySecondHand;
// hand animation
this.minuteHandAnimationStep = 0;
this.secondHandAnimationStep = 0;
this.lastMinute = 0;
this.lastSecond = 0;
};
StationClock.prototype.draw = function() {
var clock = document.getElementById(this.clockId);
if (clock) {
var context = clock.getContext('2d');
if (context) {
this.radius = 0.75 * (Math.min(clock.width, clock.height) / 2);
// clear canvas and set new origin
context.clearRect(0, 0, clock.width, clock.height);
context.save();
context.translate(clock.width / 2, clock.height / 2);
// draw body
if (this.body != StationClock.NoStrokeBody) {
context.save();
switch (this.body) {
case StationClock.SmallWhiteBody:
this.fillCircle(context, "rgb(255,255,255)", 0, 0, 1);
break;
case StationClock.RoundBody:
this.fillCircle(context, "rgb(255,255,255)", 0, 0, 1.1);
context.save();
this.setShadow(context, this.bodyShadowColor, this.bodyShadowOffsetX, this.bodyShadowOffsetY, this.bodyShadowBlur);
this.strokeCircle(context, "rgb(0,0,0)", 0, 0, 1.1, 0.07);
context.restore();
break;
case StationClock.RoundGreenBody:
this.fillCircle(context, "rgb(235,236,212)", 0, 0, 1.1);
context.save();
this.setShadow(context, this.bodyShadowColor, this.bodyShadowOffsetX, this.bodyShadowOffsetY, this.bodyShadowBlur);
this.strokeCircle(context, "rgb(180,180,180)", 0, 0, 1.1, 0.2);
context.restore();
this.strokeCircle(context, "rgb(29,84,31)", 0, 0, 1.15, 0.1);
context.save();
this.setShadow(context, "rgba(235,236,212,100)", -0.02, -0.02, 0.09);
this.strokeCircle(context, 'rgb(76,128,110)', 0, 0, 1.1, 0.08);
context.restore();
break;
case StationClock.SquareBody:
context.save();
this.setShadow(context, this.bodyShadowColor, this.bodyShadowOffsetX, this.bodyShadowOffsetY, this.bodyShadowBlur);
this.fillSquare(context, 'rgb(237,235,226)', 0, 0, 2.4);
this.strokeSquare(context, 'rgb(38,106,186)', 0, 0, 2.32, 0.16);
context.restore();
context.save();
this.setShadow(context, this.bodyShadowColor, this.bodyShadowOffsetX, this.bodyShadowOffsetY, this.bodyShadowBlur);
this.strokeSquare(context, 'rgb(42,119,208)', 0, 0, 2.24, 0.08);
context.restore();
break;
case StationClock.ViennaBody:
context.save();
this.fillSymmetricPolygon(context, 'rgb(156,156,156)', [[-1.2,1.2],[-1.2,-1.2]],0.1);
this.fillPolygon(context, 'rgb(156,156,156)', 0,1.2 , 1.2,1.2 , 1.2,0);
this.fillCircle(context, 'rgb(255,255,255)', 0, 0, 1.05, 0.08);
this.strokeCircle(context, 'rgb(0,0,0)', 0, 0, 1.05, 0.01);
this.strokeCircle(context, 'rgb(100,100,100)', 0, 0, 1.1, 0.01);
this.fillPolygon(context, 'rgb(100,100,100)', 0.45,1.2 , 1.2,1.2 , 1.2,0.45);
this.fillPolygon(context, 'rgb(170,170,170)', 0.45,-1.2 , 1.2,-1.2 , 1.2,-0.45);
this.fillPolygon(context, 'rgb(120,120,120)', -0.45,1.2 , -1.2,1.2 , -1.2,0.45);
this.fillPolygon(context, 'rgb(200,200,200)', -0.45,-1.2 , -1.2,-1.2 , -1.2,-0.45);
this.strokeSymmetricPolygon(context, 'rgb(156,156,156)', [[-1.2,1.2],[-1.2,-1.2]],0.01);
this.fillPolygon(context, 'rgb(255,0,0)', 0.05,-0.6 , 0.15,-0.6 , 0.15,-0.45 , 0.05,-0.45);
this.fillPolygon(context, 'rgb(255,0,0)', -0.05,-0.6 , -0.15,-0.6 , -0.15,-0.45 , -0.05,-0.45);
this.fillPolygon(context, 'rgb(255,0,0)', 0.05,-0.35 , 0.15,-0.35 , 0.15,-0.30 , 0.10,-0.20 , 0.05,-0.20);
this.fillPolygon(context, 'rgb(255,0,0)', -0.05,-0.35 , -0.15,-0.35 , -0.15,-0.30 , -0.10,-0.20 , -0.05,-0.20);
context.restore();
break;
}
context.restore();
}
// draw dial
for (var i = 0; i < 60; i++) {
context.save();
context.rotate(i * Math.PI / 30);
switch (this.dial) {
case StationClock.SwissStrokeDial:
if ((i % 5) == 0) {
this.strokeLine(context, this.dialColor, 0.0, -1.0, 0.0, -0.75, 0.07);
} else {
this.strokeLine(context, this.dialColor, 0.0, -1.0, 0.0, -0.92, 0.026);
}
break;
case StationClock.AustriaStrokeDial:
if ((i % 5) == 0) {
this.fillPolygon(context, this.dialColor, -0.04, -1.0, 0.04, -1.0, 0.03, -0.78, -0.03, -0.78);
} else {
this.strokeLine(context, this.dialColor, 0.0, -1.0, 0.0, -0.94, 0.02);
}
break;
case StationClock.GermanStrokeDial:
if ((i % 15) == 0) {
this.strokeLine(context, this.dialColor, 0.0, -1.0, 0.0, -0.70, 0.08);
} else if ((i % 5) == 0) {
this.strokeLine(context, this.dialColor, 0.0, -1.0, 0.0, -0.76, 0.08);
} else {
this.strokeLine(context, this.dialColor, 0.0, -1.0, 0.0, -0.92, 0.036);
}
break;
case StationClock.GermanHourStrokeDial:
if ((i % 15) == 0) {
this.strokeLine(context, this.dialColor, 0.0, -1.0, 0.0, -0.70, 0.10);
} else if ((i % 5) == 0) {
this.strokeLine(context, this.dialColor, 0.0, -1.0, 0.0, -0.74, 0.08);
}
break;
case StationClock.ViennaStrokeDial:
if ((i % 15) == 0) {
this.fillPolygon(context, this.dialColor, 0.7,-0.1, 0.6,0, 0.7,0.1, 1,0.03, 1,-0.03);
} else if ((i % 5) == 0) {
this.fillPolygon(context, this.dialColor, 0.85,-0.06, 0.78,0, 0.85,0.06, 1,0.03, 1,-0.03);
}
this.fillCircle(context, this.dialColor, 0.0, -1.0, 0.03);
break;
}
context.restore();
}
// get current time
var time = new Date();
var millis = time.getMilliseconds() / 1000.0;
var seconds = time.getSeconds();
var minutes = time.getMinutes();
var hours = time.getHours() + this.hourOffset;
// draw hour hand
context.save();
context.rotate(hours * Math.PI / 6 + minutes * Math.PI / 360);
this.setShadow(context, this.handShadowColor, this.handShadowOffsetX, this.handShadowOffsetY, this.handShadowBlur);
switch (this.hourHand) {
case StationClock.BarHourHand:
this.fillPolygon(context, this.hourHandColor, -0.05, -0.6, 0.05, -0.6, 0.05, 0.15, -0.05, 0.15);
break;
case StationClock.PointedHourHand:
this.fillPolygon(context, this.hourHandColor, 0.0, -0.6, 0.065, -0.53, 0.065, 0.19, -0.065, 0.19, -0.065, -0.53);
break;
case StationClock.SwissHourHand:
this.fillPolygon(context, this.hourHandColor, -0.05, -0.6, 0.05, -0.6, 0.065, 0.26, -0.065, 0.26);
break;
case StationClock.ViennaHourHand:
this.fillSymmetricPolygon(context, this.hourHandColor, [[-0.02,-0.72],[-0.08,-0.56],[-0.15,-0.45],[-0.06,-0.30],[-0.03,0],[-0.1,0.2],[-0.05,0.23],[-0.03,0.2]]);
}
context.restore();
// draw minute hand
context.save();
switch (this.minuteHandBehavoir) {
case StationClock.CreepingMinuteHand:
context.rotate((minutes + seconds / 60) * Math.PI / 30);
break;
case StationClock.BouncingMinuteHand:
context.rotate(minutes * Math.PI / 30);
break;
case StationClock.ElasticBouncingMinuteHand:
if (this.lastMinute != minutes) {
this.minuteHandAnimationStep = 3;
this.lastMinute = minutes;
}
context.rotate((minutes + this.getAnimationOffset(this.minuteHandAnimationStep)) * Math.PI / 30);
this.minuteHandAnimationStep--;
break;
}
this.setShadow(context, this.handShadowColor, this.handShadowOffsetX, this.handShadowOffsetY, this.handShadowBlur);
switch (this.minuteHand) {
case StationClock.BarMinuteHand:
this.fillPolygon(context, this.minuteHandColor, -0.05, -0.9, 0.035, -0.9, 0.035, 0.23, -0.05, 0.23);
break;
case StationClock.PointedMinuteHand:
this.fillPolygon(context, this.minuteHandColor, 0.0, -0.93, 0.045, -0.885, 0.045, 0.23, -0.045, 0.23, -0.045, -0.885);
break;
case StationClock.SwissMinuteHand:
this.fillPolygon(context, this.minuteHandColor, -0.035, -0.93, 0.035, -0.93, 0.05, 0.25, -0.05, 0.25);
break;
case StationClock.ViennaMinuteHand:
this.fillSymmetricPolygon(context, this.minuteHandColor, [[-0.02,-0.98],[-0.09,-0.7],[-0.03,0],[-0.05,0.2],[-0.01,0.4]]);
}
context.restore();
// draw second hand
context.save();
switch (this.secondHandBehavoir) {
case StationClock.OverhastySecondHand:
context.rotate(Math.min((seconds + millis) * (60.0 / 58.5), 60.0) * Math.PI / 30);
break;
case StationClock.CreepingSecondHand:
context.rotate((seconds + millis) * Math.PI / 30);
break;
case StationClock.BouncingSecondHand:
context.rotate(seconds * Math.PI / 30);
break;
case StationClock.ElasticBouncingSecondHand:
if (this.lastSecond != seconds) {
this.secondHandAnimationStep = 3;
this.lastSecond = seconds;
}
context.rotate((seconds + this.getAnimationOffset(this.secondHandAnimationStep)) * Math.PI / 30);
this.secondHandAnimationStep--;
break;
}
this.setShadow(context, this.handShadowColor, this.handShadowOffsetX, this.handShadowOffsetY, this.handShadowBlur);
switch (this.secondHand) {
case StationClock.BarSecondHand:
this.fillPolygon(context, this.secondHandColor, -0.006, -0.92, 0.006, -0.92, 0.028, 0.23, -0.028, 0.23);
break;
case StationClock.HoleShapedSecondHand:
this.fillPolygon(context, this.secondHandColor, 0.0, -0.9, 0.011, -0.889, 0.01875, -0.6, -0.01875, -0.6, -0.011, -0.889);
this.fillPolygon(context, this.secondHandColor, 0.02, -0.4, 0.025, 0.22, -0.025, 0.22, -0.02, -0.4);
this.strokeCircle(context, this.secondHandColor, 0, -0.5, 0.083, 0.066);
break;
case StationClock.NewHoleShapedSecondHand:
this.fillPolygon(context, this.secondHandColor, 0.0, -0.95, 0.015, -0.935, 0.0187, -0.65, -0.0187, -0.65, -0.015, -0.935);
this.fillPolygon(context, this.secondHandColor, 0.022, -0.45, 0.03, 0.27, -0.03, 0.27, -0.022, -0.45);
this.strokeCircle(context, this.secondHandColor, 0, -0.55, 0.085, 0.07);
break;
case StationClock.SwissSecondHand:
this.strokeLine(context, this.secondHandColor, 0.0, -0.6, 0.0, 0.35, 0.026);
this.fillCircle(context, this.secondHandColor, 0, -0.64, 0.1);
break;
case StationClock.ViennaSecondHand:
this.strokeLine(context, this.secondHandColor, 0.0, -0.6, 0.0, 0.35, 0.026);
this.fillCircle(context, this.secondHandColor, 0, -0.64, 0.1);
break;
}
context.restore();
// draw clock boss
if (this.boss != StationClock.NoBoss) {
context.save();
this.setShadow(context, this.bossShadowColor, this.bossShadowOffsetX, this.bossShadowOffsetY, this.bossShadowBlur);
switch (this.boss) {
case StationClock.BlackBoss:
this.fillCircle(context, 'rgb(0,0,0)', 0, 0, 0.1);
break;
case StationClock.RedBoss:
this.fillCircle(context, 'rgb(220,0,0)', 0, 0, 0.06);
break;
case StationClock.ViennaBoss:
this.fillCircle(context, 'rgb(0,0,0)', 0, 0, 0.07);
break;
}
context.restore();
}
context.restore();
}
}
};
StationClock.prototype.getAnimationOffset = function(animationStep) {
switch (animationStep) {
case 3: return 0.2;
case 2: return -0.1;
case 1: return 0.05;
}
return 0;
};
StationClock.prototype.setShadow = function(context, color, offsetX, offsetY, blur) {
if (color) {
context.shadowColor = color;
context.shadowOffsetX = this.radius * offsetX;
context.shadowOffsetY = this.radius * offsetY;
context.shadowBlur = this.radius * blur;
}
};
StationClock.prototype.fillCircle = function(context, color, x, y, radius) {
if (color) {
context.beginPath();
context.fillStyle = color;
context.arc(x * this.radius, y * this.radius, radius * this.radius, 0, 2 * Math.PI, true);
context.fill();
}
};
StationClock.prototype.strokeCircle = function(context, color, x, y, radius, lineWidth) {
if (color) {
context.beginPath();
context.strokeStyle = color;
context.lineWidth = lineWidth * this.radius;
context.arc(x * this.radius, y * this.radius, radius * this.radius, 0, 2 * Math.PI, true);
context.stroke();
}
};
StationClock.prototype.fillSquare = function(context, color, x, y, size) {
if (color) {
context.fillStyle = color;
context.fillRect((x - size / 2) * this.radius, (y -size / 2) * this.radius, size * this.radius, size * this.radius);
}
};
StationClock.prototype.strokeSquare = function(context, color, x, y, size, lineWidth) {
if (color) {
context.strokeStyle = color;
context.lineWidth = lineWidth * this.radius;
context.strokeRect((x - size / 2) * this.radius, (y -size / 2) * this.radius, size * this.radius, size * this.radius);
}
};
StationClock.prototype.strokeLine = function(context, color, x1, y1, x2, y2, width) {
if (color) {
context.beginPath();
context.strokeStyle = color;
context.moveTo(x1 * this.radius, y1 * this.radius);
context.lineTo(x2 * this.radius, y2 * this.radius);
context.lineWidth = width * this.radius;
context.stroke();
}
};
StationClock.prototype.fillPolygon = function(context, color, x1, y1, x2, y2, x3, y3, x4, y4, x5, y5) {
if (color) {
context.beginPath();
context.fillStyle = color;
context.moveTo(x1 * this.radius, y1 * this.radius);
context.lineTo(x2 * this.radius, y2 * this.radius);
context.lineTo(x3 * this.radius, y3 * this.radius);
context.lineTo(x4 * this.radius, y4 * this.radius);
if ((x5 != undefined) && (y5 != undefined)) {
context.lineTo(x5 * this.radius, y5 * this.radius);
}
context.lineTo(x1 * this.radius, y1 * this.radius);
context.fill();
}
};
StationClock.prototype.fillSymmetricPolygon = function(context, color, points) {
context.beginPath();
context.fillStyle = color;
context.moveTo(points[0][0] * this.radius, points[0][1] * this.radius);
for (var i = 1; i < points.length; i++) {
context.lineTo(points[i][0] * this.radius, points[i][1] * this.radius);
}
for (var i = points.length - 1; i >= 0; i--) {
context.lineTo(0 - points[i][0] * this.radius, points[i][1] * this.radius);
}
context.lineTo(points[0][0] * this.radius, points[0][1] * this.radius);
context.fill();
};
StationClock.prototype.strokeSymmetricPolygon = function(context, color, points, width) {
context.beginPath();
context.strokeStyle = color;
context.moveTo(points[0][0] * this.radius, points[0][1] * this.radius);
for (var i = 1; i < points.length; i++) {
context.lineTo(points[i][0] * this.radius, points[i][1] * this.radius);
}
for (var i = points.length - 1; i >= 0; i--) {
context.lineTo(0 - points[i][0] * this.radius, points[i][1] * this.radius);
}
context.lineTo(points[0][0] * this.radius, points[0][1] * this.radius);
context.lineWidth = width * this.radius;
context.stroke();
};