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add tick marks to planar ellipse/circle overlays

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This commit is contained in:
ZappoMan 2014-10-06 14:15:22 -07:00
parent b8c7a9263c
commit 12deec928c
3 changed files with 157 additions and 5 deletions
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23
examples/libraries/entitySelectionTool.js
View file

@ -169,7 +169,14 @@ SelectionDisplay = (function () {
alpha: 0.2,
solid: true,
visible: false,
rotation: yawOverlayRotation
rotation: yawOverlayRotation,
hasTickMarks: true,
majorTickMarksAngle: 12.5,
minorTickMarksAngle: 0,
majorTickMarksLength: -0.25,
minorTickMarksLength: 0,
majorTickMarksColor: { red: 0, green: 0, blue: 0 },
minorTickMarksColor: { red: 0, green: 0, blue: 0 },
});
var rotateOverlayOuter = Overlays.addOverlay("circle3d", {
@ -179,7 +186,15 @@ SelectionDisplay = (function () {
alpha: 0.2,
solid: true,
visible: false,
rotation: yawOverlayRotation
rotation: yawOverlayRotation,
hasTickMarks: true,
majorTickMarksAngle: 45.0,
minorTickMarksAngle: 5,
majorTickMarksLength: 0.25,
minorTickMarksLength: 0.1,
majorTickMarksColor: { red: 0, green: 0, blue: 0 },
minorTickMarksColor: { red: 0, green: 0, blue: 0 },
});
var rotateOverlayCurrent = Overlays.addOverlay("circle3d", {
@ -571,7 +586,7 @@ SelectionDisplay = (function () {
innerRadius: 0.9,
startAt: 0,
endAt: 360,
alpha: outerAlpha
alpha: outerAlpha,
});
Overlays.editOverlay(rotateOverlayCurrent,
@ -584,7 +599,7 @@ SelectionDisplay = (function () {
size: outerRadius,
startAt: 0,
endAt: 0,
innerRadius: 0.9
innerRadius: 0.9,
});
// TODO: we have not implemented the rotating handle/controls yet... so for now, these handles are hidden

118
interface/src/ui/overlays/Circle3DOverlay.cpp
View file

@ -21,8 +21,15 @@ Circle3DOverlay::Circle3DOverlay() :
_startAt(0.0f),
_endAt(360.0f),
_outerRadius(1.0f),
_innerRadius(0.0f)
_innerRadius(0.0f),
_hasTickMarks(false),
_majorTickMarksAngle(0.0f),
_minorTickMarksAngle(0.0f),
_majorTickMarksLength(0.0f),
_minorTickMarksLength(0.0f)
{
_majorTickMarksColor.red = _majorTickMarksColor.green = _majorTickMarksColor.blue = (unsigned char)0;
_minorTickMarksColor.red = _minorTickMarksColor.green = _minorTickMarksColor.blue = (unsigned char)0;
}
Circle3DOverlay::~Circle3DOverlay() {
@ -142,6 +149,66 @@ void Circle3DOverlay::render() {
glVertex2f(lastOuterPoint.x, lastOuterPoint.y);
glEnd();
}
// draw our tick marks
// for our overlay, is solid means we draw a ring between the inner and outer radius of the circle, otherwise
// we just draw a line...
if (getHasTickMarks()) {
glBegin(GL_LINES);
// draw our major tick marks
if (getMajorTickMarksAngle() > 0.0f && getMajorTickMarksLength() != 0.0f) {
xColor color = getMajorTickMarksColor();
glColor4f(color.red / MAX_COLOR, color.green / MAX_COLOR, color.blue / MAX_COLOR, alpha);
float angle = startAt;
float angleInRadians = glm::radians(angle);
float tickMarkLength = getMajorTickMarksLength();
float startRadius = (tickMarkLength > 0.0f) ? innerRadius : outerRadius;
float endRadius = startRadius + tickMarkLength;
while (angle <= endAt) {
angleInRadians = glm::radians(angle);
glm::vec2 thisPointA(cos(angleInRadians) * startRadius, sin(angleInRadians) * startRadius);
glm::vec2 thisPointB(cos(angleInRadians) * endRadius, sin(angleInRadians) * endRadius);
glVertex2f(thisPointA.x, thisPointA.y);
glVertex2f(thisPointB.x, thisPointB.y);
angle += getMajorTickMarksAngle();
}
}
// draw our minor tick marks
if (getMinorTickMarksAngle() > 0.0f && getMinorTickMarksLength() != 0.0f) {
xColor color = getMinorTickMarksColor();
glColor4f(color.red / MAX_COLOR, color.green / MAX_COLOR, color.blue / MAX_COLOR, alpha);
float angle = startAt;
float angleInRadians = glm::radians(angle);
float tickMarkLength = getMinorTickMarksLength();
float startRadius = (tickMarkLength > 0.0f) ? innerRadius : outerRadius;
float endRadius = startRadius + tickMarkLength;
while (angle <= endAt) {
angleInRadians = glm::radians(angle);
glm::vec2 thisPointA(cos(angleInRadians) * startRadius, sin(angleInRadians) * startRadius);
glm::vec2 thisPointB(cos(angleInRadians) * endRadius, sin(angleInRadians) * endRadius);
glVertex2f(thisPointA.x, thisPointA.y);
glVertex2f(thisPointB.x, thisPointB.y);
angle += getMinorTickMarksAngle();
}
}
glEnd();
}
glPopMatrix();
glPopMatrix();
@ -173,6 +240,55 @@ void Circle3DOverlay::setProperties(const QScriptValue &properties) {
if (innerRadius.isValid()) {
setInnerRadius(innerRadius.toVariant().toFloat());
}
QScriptValue hasTickMarks = properties.property("hasTickMarks");
if (hasTickMarks.isValid()) {
setHasTickMarks(hasTickMarks.toVariant().toBool());
}
QScriptValue majorTickMarksAngle = properties.property("majorTickMarksAngle");
if (majorTickMarksAngle.isValid()) {
setMajorTickMarksAngle(majorTickMarksAngle.toVariant().toFloat());
}
QScriptValue minorTickMarksAngle = properties.property("minorTickMarksAngle");
if (minorTickMarksAngle.isValid()) {
setMinorTickMarksAngle(minorTickMarksAngle.toVariant().toFloat());
}
QScriptValue majorTickMarksLength = properties.property("majorTickMarksLength");
if (majorTickMarksLength.isValid()) {
setMajorTickMarksLength(majorTickMarksLength.toVariant().toFloat());
}
QScriptValue minorTickMarksLength = properties.property("minorTickMarksLength");
if (minorTickMarksLength.isValid()) {
setMinorTickMarksLength(minorTickMarksLength.toVariant().toFloat());
}
QScriptValue majorTickMarksColor = properties.property("majorTickMarksColor");
if (majorTickMarksColor.isValid()) {
QScriptValue red = majorTickMarksColor.property("red");
QScriptValue green = majorTickMarksColor.property("green");
QScriptValue blue = majorTickMarksColor.property("blue");
if (red.isValid() && green.isValid() && blue.isValid()) {
_majorTickMarksColor.red = red.toVariant().toInt();
_majorTickMarksColor.green = green.toVariant().toInt();
_majorTickMarksColor.blue = blue.toVariant().toInt();
}
}
QScriptValue minorTickMarksColor = properties.property("minorTickMarksColor");
if (minorTickMarksColor.isValid()) {
QScriptValue red = minorTickMarksColor.property("red");
QScriptValue green = minorTickMarksColor.property("green");
QScriptValue blue = minorTickMarksColor.property("blue");
if (red.isValid() && green.isValid() && blue.isValid()) {
_minorTickMarksColor.red = red.toVariant().toInt();
_minorTickMarksColor.green = green.toVariant().toInt();
_minorTickMarksColor.blue = blue.toVariant().toInt();
}
}
}

21
interface/src/ui/overlays/Circle3DOverlay.h
View file

@ -26,17 +26,38 @@ public:
float getEndAt() const { return _endAt; }
float getOuterRadius() const { return _outerRadius; }
float getInnerRadius() const { return _innerRadius; }
bool getHasTickMarks() const { return _hasTickMarks; }
float getMajorTickMarksAngle() const { return _majorTickMarksAngle; }
float getMinorTickMarksAngle() const { return _minorTickMarksAngle; }
float getMajorTickMarksLength() const { return _majorTickMarksLength; }
float getMinorTickMarksLength() const { return _minorTickMarksLength; }
xColor getMajorTickMarksColor() const { return _majorTickMarksColor; }
xColor getMinorTickMarksColor() const { return _minorTickMarksColor; }
void setStartAt(float value) { _startAt = value; }
void setEndAt(float value) { _endAt = value; }
void setOuterRadius(float value) { _outerRadius = value; }
void setInnerRadius(float value) { _innerRadius = value; }
void setHasTickMarks(bool value) { _hasTickMarks = value; }
void setMajorTickMarksAngle(float value) { _majorTickMarksAngle = value; }
void setMinorTickMarksAngle(float value) { _minorTickMarksAngle = value; }
void setMajorTickMarksLength(float value) { _majorTickMarksLength = value; }
void setMinorTickMarksLength(float value) { _minorTickMarksLength = value; }
void setMajorTickMarksColor(const xColor& value) { _majorTickMarksColor = value; }
void setMinorTickMarksColor(const xColor& value) { _minorTickMarksColor = value; }
protected:
float _startAt;
float _endAt;
float _outerRadius;
float _innerRadius;
bool _hasTickMarks;
float _majorTickMarksAngle;
float _minorTickMarksAngle;
float _majorTickMarksLength;
float _minorTickMarksLength;
xColor _majorTickMarksColor;
xColor _minorTickMarksColor;
};