Noratrieb/TriangleCalculator
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can now create triangle from angle + side

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nora 2020-12-01 19:27:30 +01:00
parent 019b64d8ee
commit 7ad27481fe
4 changed files with 52 additions and 36 deletions
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.gradle/6.6.1/executionHistory/executionHistory.lock
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src/main/kotlin/main.kt
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@ -3,10 +3,14 @@ import kotlin.math.*
fun main() {
val triangle = Triangle(4.0, 3.0, 5.0)
println("a: ${Triangle("alpha", 53.13, "a", 4.0)}")
println("b: ${Triangle("alpha", 53.13, "b", 3.0)}")
println("c: ${Triangle("alpha", 53.13, "c", 5.0)}")
println(triangle)
println("alpha: a: ${Triangle("alpha", 53.13, "a", 4.0)}")
println("alpha: b: ${Triangle("alpha", 53.13, "b", 3.0)}")
println("alpha: c: ${Triangle("alpha", 53.13, "c", 5.0)}")
println("beta: a: ${Triangle("beta", 36.87, "a", 4.0)}")
println("beta: b: ${Triangle("beta", 36.87, "b", 3.0)}")
println("beta: c: ${Triangle("beta", 36.87, "c", 5.0)}")
println("\nOriginal$triangle")
}
class Triangle() {
@ -15,9 +19,9 @@ class Triangle() {
var b = Side(0.0, "b")
var c = Side(0.0, "c")
var alpha = Angle(0.0, "")
var beta = Angle(0.0, "")
var gamma = Angle(0.0, "")
var alpha = Angle(0.0, "alpha")
var beta = Angle(0.0, "beta")
var gamma = Angle(90.0, "gamma")
init {
@ -25,39 +29,51 @@ class Triangle() {
constructor(angleName: String, angleD: Double, sideName: String, side: Double) : this() {
val angle = angleD.toRadians() //thanks kotlin
if (angleName == "alpha") {
alpha = Angle(angleD, "alpha")
when (sideName) {
"a" -> {
a = Side(side, "a");
c = Side(a / sin(angle), "c")
b = Side(c * cos(angle), "b")
when (angleName) {
"alpha" -> {
alpha = Angle(angleD, "alpha")
when (sideName) {
"a" -> {
a = Side(side, "a");
c = Side(a / sin(angle), "c")
b = Side(c * cos(angle), "b")
}
"b" -> {
b = Side(side, "b")
c = Side(b / cos(angle), "c")
a = Side(c * sin(angle), "a")
}
"c" -> {
c = Side(side, "c")
a = Side(c * sin(angle), "a")
b = Side(c * cos(angle), "a")
}
}
"b" -> {
b = Side(side, "b")
c = Side(b / cos(angle), "c")
a = Side(c * sin(angle), "a")
}
"c" -> {
c = Side(side, "c")
a = Side(c * sin(angle), "a")
b = Side(c * cos(angle), "a")
beta = Angle(asin(b.length / c.length).toDegree(), "beta")
}
"beta" -> {
beta = Angle(angleD, "beta")
when (sideName) {
"a" -> {
a = Side(side, "a");
c = Side(a / cos(angle), "c")
b = Side(c * sin(angle), "b")
}
"b" -> {
b = Side(side, "b")
c = Side(b / sin(angle), "c")
a = Side(c * cos(angle), "a")
}
"c" -> {
c = Side(side, "c")
a = Side(c * cos(angle), "a")
b = Side(c * sin(angle), "a")
}
}
}
} else if (angleName == "beta") {
when (sideName) {
"a" -> {
//cos
}
"b" -> {
//sin
}
"c" -> {
//cos
}
else -> {
throw IllegalArgumentException("$angleName is not a valid angle")
}
} else {
throw IllegalArgumentException("$angleName is not a valid angle")
}
}