diff options
Diffstat (limited to 'src/jogl/classes/com/jogamp/graph/geom/AABBox.java')
-rw-r--r-- | src/jogl/classes/com/jogamp/graph/geom/AABBox.java | 470 |
1 files changed, 235 insertions, 235 deletions
diff --git a/src/jogl/classes/com/jogamp/graph/geom/AABBox.java b/src/jogl/classes/com/jogamp/graph/geom/AABBox.java index 17a805b31..8a604eccd 100644 --- a/src/jogl/classes/com/jogamp/graph/geom/AABBox.java +++ b/src/jogl/classes/com/jogamp/graph/geom/AABBox.java @@ -36,176 +36,176 @@ import com.jogamp.graph.math.VectorUtil; * */ public class AABBox { - private float[] low = {Float.MAX_VALUE,Float.MAX_VALUE,Float.MAX_VALUE}; - private float[] high = {-1*Float.MAX_VALUE,-1*Float.MAX_VALUE,-1*Float.MAX_VALUE}; - private float[] center = new float[3]; + private float[] low = {Float.MAX_VALUE,Float.MAX_VALUE,Float.MAX_VALUE}; + private float[] high = {-1*Float.MAX_VALUE,-1*Float.MAX_VALUE,-1*Float.MAX_VALUE}; + private float[] center = new float[3]; - /** Create a Axis Aligned bounding box (AABBox) - * where the low and and high MAX float Values. - */ - public AABBox() {} + /** Create a Axis Aligned bounding box (AABBox) + * where the low and and high MAX float Values. + */ + public AABBox() {} - /** Create an AABBox specifying the coordinates - * of the low and high - * @param lx min x-coordinate - * @param ly min y-coordnate - * @param lz min z-coordinate - * @param hx max x-coordinate - * @param hy max y-coordinate - * @param hz max z-coordinate - */ - public AABBox(float lx, float ly, float lz, - float hx, float hy, float hz) - { - resize(lx, ly, lz); - resize(hx, hy, hz); + /** Create an AABBox specifying the coordinates + * of the low and high + * @param lx min x-coordinate + * @param ly min y-coordnate + * @param lz min z-coordinate + * @param hx max x-coordinate + * @param hy max y-coordinate + * @param hz max z-coordinate + */ + public AABBox(float lx, float ly, float lz, + float hx, float hy, float hz) + { + resize(lx, ly, lz); + resize(hx, hy, hz); - computeCenter(); - } - - /** Create a AABBox defining the low and high - * @param low min xyz-coordinates - * @param high max xyz-coordinates - */ - public AABBox(float[] low, float[] high) - { - resize(low[0],low[1],low[2]); - resize(high[0],high[1],high[2]); + computeCenter(); + } + + /** Create a AABBox defining the low and high + * @param low min xyz-coordinates + * @param high max xyz-coordinates + */ + public AABBox(float[] low, float[] high) + { + resize(low[0],low[1],low[2]); + resize(high[0],high[1],high[2]); - computeCenter(); - } - - /** Get the max xyz-coordinates - * @return a float array containing the max xyz coordinates - */ - public float[] getHigh() - { - return high; - } - - private void setHigh(float hx, float hy, float hz) - { - this.high[0] = hx; - this.high[1] = hy; - this.high[2] = hz; - } - - /** Get the min xyz-coordinates - * @return a float array containing the min xyz coordinates - */ - public float[] getLow() - { - return low; - } - - private void setLow(float lx, float ly, float lz) - { - this.low[0] = lx; - this.low[1] = ly; - this.low[2] = lz; - } + computeCenter(); + } + + /** Get the max xyz-coordinates + * @return a float array containing the max xyz coordinates + */ + public float[] getHigh() + { + return high; + } + + private void setHigh(float hx, float hy, float hz) + { + this.high[0] = hx; + this.high[1] = hy; + this.high[2] = hz; + } + + /** Get the min xyz-coordinates + * @return a float array containing the min xyz coordinates + */ + public float[] getLow() + { + return low; + } + + private void setLow(float lx, float ly, float lz) + { + this.low[0] = lx; + this.low[1] = ly; + this.low[2] = lz; + } - /** Resize the AABBox to encapsulate another AABox - * @param newBox AABBox to be encapsulated in - */ - public void resize(AABBox newBox) - { - float[] newLow = newBox.getLow(); - float[] newHigh = newBox.getHigh(); + /** Resize the AABBox to encapsulate another AABox + * @param newBox AABBox to be encapsulated in + */ + public void resize(AABBox newBox) + { + float[] newLow = newBox.getLow(); + float[] newHigh = newBox.getHigh(); - /** test low */ - if (newLow[0] < low[0]) - low[0] = newLow[0]; - if (newLow[1] < low[1]) - low[1] = newLow[1]; - if (newLow[2] < low[2]) - low[2] = newLow[2]; + /** test low */ + if (newLow[0] < low[0]) + low[0] = newLow[0]; + if (newLow[1] < low[1]) + low[1] = newLow[1]; + if (newLow[2] < low[2]) + low[2] = newLow[2]; - /** test high */ - if (newHigh[0] > high[0]) - high[0] = newHigh[0]; - if (newHigh[1] > high[1]) - high[1] = newHigh[1]; - if (newHigh[2] > high[2]) - high[2] = newHigh[2]; + /** test high */ + if (newHigh[0] > high[0]) + high[0] = newHigh[0]; + if (newHigh[1] > high[1]) + high[1] = newHigh[1]; + if (newHigh[2] > high[2]) + high[2] = newHigh[2]; - computeCenter(); - } + computeCenter(); + } - private void computeCenter() - { - center[0] = (high[0] + low[0])/2; - center[1] = (high[1] + low[1])/2; - center[2] = (high[2] + low[2])/2; - } + private void computeCenter() + { + center[0] = (high[0] + low[0])/2; + center[1] = (high[1] + low[1])/2; + center[2] = (high[2] + low[2])/2; + } - /** Resize the AABBox to encapsulate the passed - * xyz-coordinates. - * @param x x-axis coordinate value - * @param y y-axis coordinate value - * @param z z-axis coordinate value - */ - public void resize(float x, float y, float z) - { - /** test low */ - if (x < low[0]) - low[0] = x; - if (y < low[1]) - low[1] = y; - if (z < low[2]) - low[2] = z; + /** Resize the AABBox to encapsulate the passed + * xyz-coordinates. + * @param x x-axis coordinate value + * @param y y-axis coordinate value + * @param z z-axis coordinate value + */ + public void resize(float x, float y, float z) + { + /** test low */ + if (x < low[0]) + low[0] = x; + if (y < low[1]) + low[1] = y; + if (z < low[2]) + low[2] = z; - /** test high */ - if (x > high[0]) - high[0] = x; - if (y > high[1]) - high[1] = y; - if (z > high[2]) - high[2] = z; - - computeCenter(); - } + /** test high */ + if (x > high[0]) + high[0] = x; + if (y > high[1]) + high[1] = y; + if (z > high[2]) + high[2] = z; + + computeCenter(); + } - /** Check if the x & y coordinates are bounded/contained - * by this AABBox - * @param x x-axis coordinate value - * @param y y-axis coordinate value - * @return true if x belong to (low.x, high.x) and - * y belong to (low.y, high.y) - */ - public boolean contains(float x, float y){ - if(x<low[0] || x>high[0]){ - return false; - } - if(y<low[1]|| y>high[1]){ - return false; - } - return true; - } - - /** Check if the xyz coordinates are bounded/contained - * by this AABBox. - * @param x x-axis coordinate value - * @param y y-axis coordinate value - * @param z z-axis coordinate value - * @return true if x belong to (low.x, high.x) and - * y belong to (low.y, high.y) and z belong to (low.z, high.z) - */ - public boolean contains(float x, float y, float z){ - if(x<low[0] || x>high[0]){ - return false; - } - if(y<low[1]|| y>high[1]){ - return false; - } - if(z<low[2] || z>high[2]){ - return false; - } - return true; - } - + /** Check if the x & y coordinates are bounded/contained + * by this AABBox + * @param x x-axis coordinate value + * @param y y-axis coordinate value + * @return true if x belong to (low.x, high.x) and + * y belong to (low.y, high.y) + */ + public boolean contains(float x, float y){ + if(x<low[0] || x>high[0]){ + return false; + } + if(y<low[1]|| y>high[1]){ + return false; + } + return true; + } + + /** Check if the xyz coordinates are bounded/contained + * by this AABBox. + * @param x x-axis coordinate value + * @param y y-axis coordinate value + * @param z z-axis coordinate value + * @return true if x belong to (low.x, high.x) and + * y belong to (low.y, high.y) and z belong to (low.z, high.z) + */ + public boolean contains(float x, float y, float z){ + if(x<low[0] || x>high[0]){ + return false; + } + if(y<low[1]|| y>high[1]){ + return false; + } + if(z<low[2] || z>high[2]){ + return false; + } + return true; + } + /** Check if there is a common region between this AABBox and the passed - * 2D region irrespective of z range + * 2D region irrespective of z range * @param x lower left x-coord * @param y lower left y-coord * @param w width @@ -213,87 +213,87 @@ public class AABBox { * @return true if this AABBox might have a common region with this 2D region */ public boolean intersects(float x, float y, float w, float h) { - if (w <= 0 || h <= 0) { - return false; - } - - final float _w = getWidth(); - final float _h = getHeight(); - if (_w <= 0 || _h <= 0) { - return false; - } - - final float x0 = getMinX(); - final float y0 = getMinY(); - return (x + w > x0 && - y + h > y0 && - x < x0 + _w && - y < y0 + _h); + if (w <= 0 || h <= 0) { + return false; + } + + final float _w = getWidth(); + final float _h = getHeight(); + if (_w <= 0 || _h <= 0) { + return false; + } + + final float x0 = getMinX(); + final float y0 = getMinY(); + return (x + w > x0 && + y + h > y0 && + x < x0 + _w && + y < y0 + _h); } - - /** Get the size of the Box where the size is represented by the - * length of the vector between low and high. - * @return a float representing the size of the AABBox - */ - public float getSize(){ - return VectorUtil.computeLength(low, high); - } + + /** Get the size of the Box where the size is represented by the + * length of the vector between low and high. + * @return a float representing the size of the AABBox + */ + public float getSize(){ + return VectorUtil.computeLength(low, high); + } - /**Get the Center of the AABBox - * @return the xyz-coordinates of the center of the AABBox - */ - public float[] getCenter() { - return center; - } + /**Get the Center of the AABBox + * @return the xyz-coordinates of the center of the AABBox + */ + public float[] getCenter() { + return center; + } - /** Scale the AABBox by a constant - * @param size a constant float value - */ - public void scale(float size) { - float[] diffH = new float[3]; - diffH[0] = high[0] - center[0]; - diffH[1] = high[1] - center[1]; - diffH[2] = high[2] - center[2]; - - diffH = VectorUtil.scale(diffH, size); - - float[] diffL = new float[3]; - diffL[0] = low[0] - center[0]; - diffL[1] = low[1] - center[1]; - diffL[2] = low[2] - center[2]; - - diffL = VectorUtil.scale(diffL, size); - - high = VectorUtil.vectorAdd(center, diffH); - low = VectorUtil.vectorAdd(center, diffL); - } + /** Scale the AABBox by a constant + * @param size a constant float value + */ + public void scale(float size) { + float[] diffH = new float[3]; + diffH[0] = high[0] - center[0]; + diffH[1] = high[1] - center[1]; + diffH[2] = high[2] - center[2]; + + diffH = VectorUtil.scale(diffH, size); + + float[] diffL = new float[3]; + diffL[0] = low[0] - center[0]; + diffL[1] = low[1] - center[1]; + diffL[2] = low[2] - center[2]; + + diffL = VectorUtil.scale(diffL, size); + + high = VectorUtil.vectorAdd(center, diffH); + low = VectorUtil.vectorAdd(center, diffL); + } - public float getMinX() { - return low[0]; - } - - public float getMinY() { - return low[1]; - } - - public float getWidth(){ - return high[0] - low[0]; - } - - public float getHeight() { - return high[1] - low[1]; - } - - public float getDepth() { - return high[2] - low[2]; - } - public AABBox clone(){ - return new AABBox(this.low, this.high); - } - - public String toString() { - return "[ "+low[0]+"/"+low[1]+"/"+low[1]+" .. "+high[0]+"/"+high[0]+"/"+high[0]+", ctr "+ - center[0]+"/"+center[1]+"/"+center[1]+" ]"; - } + public float getMinX() { + return low[0]; + } + + public float getMinY() { + return low[1]; + } + + public float getWidth(){ + return high[0] - low[0]; + } + + public float getHeight() { + return high[1] - low[1]; + } + + public float getDepth() { + return high[2] - low[2]; + } + public AABBox clone(){ + return new AABBox(this.low, this.high); + } + + public String toString() { + return "[ "+low[0]+"/"+low[1]+"/"+low[1]+" .. "+high[0]+"/"+high[0]+"/"+high[0]+", ctr "+ + center[0]+"/"+center[1]+"/"+center[1]+" ]"; + } } |