public void Intersect_TwoPoints()
{
var segment = new Segment2();
var circle = new Circle2();
float offset = 1;
foreach (var center in originPoints2)
{
circle.center = center;
for (int radius = 1; radius < 12; radius += 10)
{
circle.radius = radius;
for (int segmentAngle = 0; segmentAngle < 360; segmentAngle += 10)
{
Vector2 direction = Vector2.down.RotateCW(segmentAngle);
Vector2 expectedA = circle.center - direction * circle.radius;
Vector2 expectedB = circle.center + direction * circle.radius;
segment.a = expectedA;
segment.b = expectedB;
True_IntersectTwoPoints(segment, circle, segment.a, segment.b);
segment.a = circle.center - direction * (circle.radius + offset);
segment.b = circle.center + direction * (circle.radius + offset);
True_IntersectTwoPoints(segment, circle, expectedA, expectedB);
expectedA = circle.GetPoint(segmentAngle + 45);
expectedB = circle.GetPoint(segmentAngle + 135);
segment.a = expectedA;
segment.b = expectedB;
True_IntersectTwoPoints(segment, circle, expectedA, expectedB);
direction = (expectedB - expectedA).normalized;
segment.a = expectedA - direction * 0.1f;
segment.b = expectedB + direction * 0.1f;
True_IntersectTwoPoints(segment, circle, expectedA, expectedB);
}
}
}
}
public void Intersect_OnePoint()
{
var line = new Line2();
var circle = new Circle2(Vector2.zero, 5);
foreach (var center in originPoints2)
{
circle.center = center;
for (int lineAngle = 0; lineAngle < 360; lineAngle += 15)
{
line.origin = circle.GetPoint(lineAngle);
line.direction = Vector2.right.RotateCW(lineAngle);
True_Intersect(line, circle, line.origin);
}
}
}
public void Distance_OnCircle()
{
var circle = new Circle2();
foreach (var center in originPoints2)
{
circle.center = center;
for (int radius = 1; radius < 22; radius += 10)
{
circle.radius = radius;
for (int angle = 0; angle < 360; angle += 10)
{
AreEqual_Distance(circle, circle.GetPoint(angle));
}
}
}
}
public void Intersect_OnCircle()
{
var circle = new Circle2();
foreach (var center in originPoints2)
{
circle.center = center;
for (int radius = 11; radius < 42; radius += 10)
{
circle.radius = radius;
for (int angle = 0; angle < 360; angle += 10)
{
True_Intersect(circle, circle.GetPoint(angle));
}
}
}
}
public void ClosestPoint_OnCircle()
{
var circle = new Circle2();
foreach (var center in originPoints2)
{
circle.center = center;
for (int radius = 1; radius < 22; radius += 10)
{
circle.radius = radius;
for (int angle = 0; angle < 360; angle += 10)
{
Vector2 point = circle.GetPoint(angle);
AreEqual_ClosestPoint(circle, point, point);
}
}
}
}
public void ClosestPoint_Separate()
{
var circle = new Circle2();
foreach (var center in originPoints2)
{
circle.center = center;
for (int radius = 1; radius < 22; radius += 10)
{
circle.radius = radius;
for (int angle = 0; angle < 360; angle += 10)
{
Vector2 point = circle.center + Geometry.PointOnCircle2(circle.radius + 1, angle);
Vector2 expected = circle.GetPoint(angle);
AreEqual_ClosestPoint(circle, point, expected);
}
}
}
}
public void Distance_OnePoint()
{
var line = new Line2();
var circle = new Circle2(Vector2.zero, 5);
foreach (var center in originPoints2)
{
circle.center = center;
for (int lineAngle = 0; lineAngle < 360; lineAngle += 15)
{
Vector2 origin = circle.GetPoint(lineAngle);
line.origin = origin;
line.direction = Vector2.right.RotateCW(lineAngle);
AreEqual_Distance(line, circle);
line.origin = origin - line.direction;
AreEqual_Distance(line, circle);
line.origin = origin + line.direction;
AreEqual_Distance(line, circle);
}
}
}
public void ClosestPoints_OnePoint()
{
var line = new Line2();
var circle = new Circle2(Vector2.zero, 4);
foreach (var center in originPoints2)
{
circle.center = center;
for (int lineAngle = 0; lineAngle < 360; lineAngle += 15)
{
Vector2 origin = circle.GetPoint(lineAngle);
line.origin = origin;
line.direction = Vector2.right.RotateCW(lineAngle);
ClosestPoints_OnePoint(line, circle, origin);
line.origin = origin - line.direction;
ClosestPoints_OnePoint(line, circle, origin);
line.origin = origin + line.direction;
ClosestPoints_OnePoint(line, circle, origin);
}
}
}
public void Intersect_OutsideOnePoint()
{
var circleA = new Circle2();
var circleB = new Circle2();
foreach (var center in originPoints2)
{
circleA.center = center;
for (int radius = 1; radius < 22; radius += 10)
{
circleA.radius = radius;
circleB.radius = radius + 1;
for (int angle = 0; angle < 360; angle += 10)
{
circleB.center = circleA.center + Geometry.PointOnCircle2(circleA.radius + circleB.radius, angle);
True_Intersect(circleA, circleB, circleA.GetPoint(angle));
}
}
}
}
public void ClosestPoints_Separate()
{
var circleA = new Circle2();
var circleB = new Circle2();
float distance = 1;
foreach (var center in originPoints2)
{
circleA.center = center;
for (int radius = 1; radius < 12; radius += 10)
{
circleA.radius = radius;
circleB.radius = radius + 1;
for (int angle = 0; angle < 360; angle += 10)
{
circleB.center = circleA.center + Geometry.PointOnCircle2(circleA.radius + circleB.radius + distance, angle);
AreEqual_ClosestPoints(circleA, circleB, circleA.GetPoint(angle), circleB.GetPoint(angle - 180));
}
}
}
}
public void ClosestPoints_OutsideOnePoint()
{
var circleA = new Circle2();
var circleB = new Circle2();
foreach (var center in originPoints2)
{
circleA.center = center;
for (int radius = 1; radius < 22; radius += 10)
{
circleA.radius = radius;
circleB.radius = radius + 1;
for (int angle = 0; angle < 360; angle += 10)
{
circleB.center = circleA.center + Geometry.PointOnCircle2(circleA.radius + circleB.radius, angle);
Vector2 expected = circleA.GetPoint(angle);
AreEqual_ClosestPoints(circleA, circleB, expected, expected);
}
}
}
}
public void ClosestPoints_Separate()
{
var ray = new Ray2D();
var circle = new Circle2();
float distance = 1;
foreach (var center in originPoints2)
{
circle.center = center;
for (int radius = 1; radius < 22; radius += 10)
{
circle.radius = radius;
for (int originAngle = 0; originAngle < 360; originAngle += 10)
{
Vector2 origin = circle.center + Geometry.PointOnCircle2(circle.radius + distance, originAngle);
Vector2 left = Vector2.left.RotateCW(originAngle).normalized;
Vector2 right = -left;
Vector2 onCircle = circle.GetPoint(originAngle);
ray.origin = origin + left;
ray.direction = right;
AreEqual_ClosestPoints(ray, circle, origin, onCircle);
ray.origin = origin + right;
ray.direction = left;
AreEqual_ClosestPoints(ray, circle, origin, onCircle);
for (int directionAngle = 0; directionAngle <= 180; directionAngle += 10)
{
ray.origin = origin;
ray.direction = left.RotateCW(directionAngle);
AreEqual_ClosestPoints(ray, circle, ray.origin, onCircle);
}
}
}
}
}
public void Intersect_OnePointInCircle()
{
var segment = new Segment2();
var circle = new Circle2();
foreach (var center in originPoints2)
{
circle.center = center;
for (int radius = 1; radius < 12; radius += 10)
{
circle.radius = radius;
for (int segmentAngle = 0; segmentAngle < 360; segmentAngle += 10)
{
Vector2 down = Vector2.down.RotateCW(segmentAngle);
segment.a = circle.center;
segment.b = circle.center + down * circle.radius * 2;
Vector2 onCircle = circle.center + down * circle.radius;
True_IntersectPoint(segment, circle, onCircle);
segment.a = circle.center + down * 0.5f;
segment.b = circle.center + down * circle.radius * 2;
True_IntersectPoint(segment, circle, onCircle);
onCircle = circle.GetPoint(segmentAngle + 135);
float distance = Mathf.Sqrt(2 * circle.radius);
segment.a = onCircle - down * distance * 0.1f;
segment.b = onCircle + down * circle.radius * 2;
True_IntersectPoint(segment, circle, onCircle);
segment.a = onCircle - down * distance * 0.9f;
segment.b = onCircle + down * circle.radius * 2;
True_IntersectPoint(segment, circle, onCircle);
}
}
}
}
public void GetPoint()
{
for (int centerAngle = 0; centerAngle < 360; centerAngle += 10)
{
Vector2 center = Geometry.PointOnCircle2(100, centerAngle);
for (int radius = 1; radius < 32; radius += 10)
{
var circle = new Circle2(center, radius);
Vector2 point0 = center + Vector2.up * radius;
AreEqual(circle.GetPoint(0), point0);
AreEqual(circle.GetPoint(360), point0);
AreEqual(circle.GetPoint(-360), point0);
Vector2 point90 = center + Vector2.right * radius;
AreEqual(circle.GetPoint(90), point90);
AreEqual(circle.GetPoint(450), point90);
AreEqual(circle.GetPoint(-270), point90);
Vector2 point180 = center + Vector2.down * radius;
AreEqual(circle.GetPoint(180), point180);
AreEqual(circle.GetPoint(540), point180);
AreEqual(circle.GetPoint(-180), point180);
Vector2 point270 = center + Vector2.left * radius;
AreEqual(circle.GetPoint(270), point270);
AreEqual(circle.GetPoint(630), point270);
AreEqual(circle.GetPoint(-90), point270);
}
}
}