com.torvald → net.torvald

Former-commit-id: 375604da8a20a6ba7cd0a8d05a44add02b2d04f4
Former-commit-id: 287287c5920b07618174d7a7573f049d350ded66

src/net/torvald/terrarum/gameactors/Hitbox.kt

@@ -0,0 +1,115 @@
+package net.torvald.terrarum.gameactors
+
+import net.torvald.point.Point2f
+
+/**
+ * Created by minjaesong on 16-01-15.
+ */
+class Hitbox(x1: Float, y1: Float, width: Float, height: Float) {
+
+    var hitboxStart: Point2f
+        private set
+    var hitboxEnd: Point2f
+        private set
+    var width: Float = 0.toFloat()
+        private set
+    var height: Float = 0.toFloat()
+        private set
+
+    init {
+        hitboxStart = Point2f(x1, y1)
+        hitboxEnd = Point2f(x1 + width, y1 + height)
+        this.width = width
+        this.height = height
+    }
+
+    /**
+     * Returns bottom-centered point of hitbox.
+     * @return pointX
+     */
+    val pointedX: Float
+        get() = hitboxStart.x + width / 2
+
+    /**
+     * Returns bottom-centered point of hitbox.
+     * @return pointY
+     */
+    val pointedY: Float
+        get() = hitboxEnd.y
+
+    /**
+     * Set to the point top left
+     * @param x1
+     * *
+     * @param y1
+     * *
+     * @param width
+     * *
+     * @param height
+     */
+    operator fun set(x1: Float, y1: Float, width: Float, height: Float) {
+        hitboxStart = Point2f(x1, y1)
+        hitboxEnd = Point2f(x1 + width, y1 + height)
+        this.width = width
+        this.height = height
+    }
+
+    fun setPosition(x1: Float, y1: Float) {
+        hitboxStart = Point2f(x1, y1)
+        hitboxEnd = Point2f(x1 + width, y1 + height)
+    }
+
+    fun setPositionX(x: Float) {
+        setPosition(x, posY)
+    }
+
+    fun setPositionY(y: Float) {
+        setPosition(posX, y)
+    }
+
+    fun setPositionFromPoint(x1: Float, y1: Float) {
+        hitboxStart = Point2f(x1 - width / 2, y1 - height)
+        hitboxEnd = Point2f(hitboxStart.x + width, hitboxStart.y + height)
+    }
+
+    fun setPositionXFromPoint(x: Float) {
+        setPositionFromPoint(x, pointedY)
+    }
+
+    fun setPositionYFromPoint(y: Float) {
+        setPositionFromPoint(pointedX, y)
+    }
+
+    fun translatePosX(d: Float) {
+        setPositionX(posX + d)
+    }
+
+    fun translatePosY(d: Float) {
+        setPositionY(posY + d)
+    }
+
+    fun setDimension(w: Float, h: Float) {
+        width = w
+        height = h
+    }
+
+    /**
+     * Returns x value of start point
+     * @return top-left point posX
+     */
+    val posX: Float
+        get() = hitboxStart.x
+
+    /**
+     * Returns y value of start point
+     * @return top-left point posY
+     */
+    val posY: Float
+        get() = hitboxStart.y
+
+    val centeredX: Float
+        get() = (hitboxStart.x + hitboxEnd.x) * 0.5f
+
+    val centeredY: Float
+        get() = (hitboxStart.y + hitboxEnd.y) * 0.5f
+}