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-rw-r--r--src/graphui/classes/com/jogamp/graph/ui/gl/Scene.java174
1 files changed, 120 insertions, 54 deletions
diff --git a/src/graphui/classes/com/jogamp/graph/ui/gl/Scene.java b/src/graphui/classes/com/jogamp/graph/ui/gl/Scene.java
index 139b764ef..88e87b6cf 100644
--- a/src/graphui/classes/com/jogamp/graph/ui/gl/Scene.java
+++ b/src/graphui/classes/com/jogamp/graph/ui/gl/Scene.java
@@ -69,6 +69,8 @@ import com.jogamp.opengl.util.PMVMatrix;
public class Scene implements GLEventListener {
/** Default scene distance on z-axis to projection is -1/5f. */
public static final float DEFAULT_SCENE_DIST = -1/5f;
+ /** Default projection angle in degrees value is 45.0. */
+ public static final float DEFAULT_ANGLE = 45.0f;
/** Default projection z-near value is 0.1. */
public static final float DEFAULT_ZNEAR = 0.1f;
/** Default projection z-far value is 7000. */
@@ -79,14 +81,15 @@ public class Scene implements GLEventListener {
private final ArrayList<Shape> shapes = new ArrayList<Shape>();
private final float sceneDist, zNear, zFar;
-
+ private final float projAngle = DEFAULT_ANGLE;
private final RegionRenderer renderer;
private final int[] sampleCount = new int[1];
- /** Describing the bounding box in shape's object model-coordinates of the near-plane parallel at its scene-distance. */
- private final AABBox scenePlane = new AABBox(0f, 0f, 0f, 0f, 0f, 0f);
- private final int[] viewport = new int[] { 0, 0, 0, 0 };
+ /** Describing the bounding box in shape's object model-coordinates of the near-plane parallel at its scene-distance, pre {@link #translate(PMVMatrix)} to origin. */
+ private final AABBox planeBoxCtr = new AABBox(0f, 0f, 0f, 0f, 0f, 0f);
+ /** Describing the bounding box in shape's object model-coordinates of the near-plane parallel at its scene-distance, post {@link #translate(PMVMatrix)} */
+ private final AABBox planBoxBL = new AABBox(0f, 0f, 0f, 0f, 0f, 0f);
private volatile Shape activeShape = null;
@@ -148,6 +151,9 @@ public class Scene implements GLEventListener {
/** Return z-axis distance of scene to projection, see {@link #DEFAULT_SCENE_DIST}. */
public float getProjSceneDist() { return sceneDist; }
+ /** Return projection angle in degrees, see {@link #DEFAULT_ANGLE}. */
+ public float getProjAngle() { return projAngle; }
+
/** Return projection z-near value, see {@link #DEFAULT_ZNEAR}. */
public float getProjZNear() { return zNear; }
@@ -334,7 +340,7 @@ public class Scene implements GLEventListener {
if( uiShape.isEnabled() ) {
pmv.glPushMatrix();
uiShape.setTransform(pmv);
- final boolean ok = pmv.gluUnProjectRay(glWinX, glWinY, winZ0, winZ1, viewport, 0, ray);
+ final boolean ok = pmv.gluUnProjectRay(glWinX, glWinY, winZ0, winZ1, getViewport(), 0, ray);
pmv.glPopMatrix();
if( ok ) {
final AABBox sbox = uiShape.getBounds();
@@ -448,7 +454,7 @@ public class Scene implements GLEventListener {
final float ratio = (float)width/(float)height;
pmv.glMatrixMode(GLMatrixFunc.GL_PROJECTION);
pmv.glLoadIdentity();
- pmv.gluPerspective(45.0f, ratio, zNear, zFar);
+ pmv.gluPerspective(projAngle, ratio, zNear, zFar);
}
{
pmv.glMatrixMode(GLMatrixFunc.GL_MODELVIEW);
@@ -469,97 +475,157 @@ public class Scene implements GLEventListener {
}
/**
- * Reshape scene using perspective 45 degrees w/ given zNear and zFar.
+ * Reshape scene {@link #setupMatrix(PMVMatrix, int, int)}.
+ * <p>
+ * Projection will be setup using perspective {@link #getProjAngle()} with {@link #getProjZNear()} and {@link #getProjZFar()}.
+ * </p>
* <p>
* Modelview is translated to given {@link #getProjSceneDist()}
- * and and origin 0/0 becomes the lower-left corner.
+ * and and origin 0/0 becomes the bottom-left corner.
* </p>
- * @see #getScenePlane()
+ * @see #setupMatrix(PMVMatrix, int, int)
+ * @see #getBounds()
+ * @see #getBoundsCenter()
*/
@SuppressWarnings("unused")
@Override
public void reshape(final GLAutoDrawable drawable, final int x, final int y, final int width, final int height) {
- viewport[0] = x;
- viewport[1] = y;
- viewport[2] = width;
- viewport[3] = height;
+ renderer.reshapeNotify(x, y, width, height);
final PMVMatrix pmv = renderer.getMatrix();
- renderer.reshapePerspective(45.0f, width, height, zNear, zFar);
- pmv.glMatrixMode(GLMatrixFunc.GL_MODELVIEW);
- pmv.glLoadIdentity();
- pmv.glTranslatef(0f, 0f, sceneDist);
+ setupMatrix(pmv, width, height);
{
final float orthoDist = -sceneDist;
final float[] obj00Coord = new float[3];
final float[] obj11Coord = new float[3];
final float[] winZ = new float[1];
- winToObjCoord(pmv, viewport, zNear, zFar, 0f, 0f, orthoDist, winZ, obj00Coord);
- winToObjCoord(pmv, viewport, zNear, zFar, width, height, orthoDist, winZ, obj11Coord);
+ winToObjCoord(pmv, getViewport(), zNear, zFar, 0f, 0f, orthoDist, winZ, obj00Coord);
+ winToObjCoord(pmv, getViewport(), zNear, zFar, width, height, orthoDist, winZ, obj11Coord);
- pmv.glTranslatef(obj00Coord[0], obj00Coord[1], 0f); // lower-left corder origin 0/0
+ pmv.glTranslatef(obj00Coord[0], obj00Coord[1], 0f); // bottom-left corder origin 0/0
- if( true ) {
- scenePlane.setSize( obj00Coord[0], // lx
- obj00Coord[1], // ly
- obj00Coord[2], // lz
- obj11Coord[0], // hx
- obj11Coord[1], // hy
- obj11Coord[2] );// hz
- } else {
- scenePlane.setSize( 0f, // lx
- 0f, // ly
- 0f, // lz
- obj11Coord[0] - obj00Coord[0], // hx
- obj11Coord[1] - obj00Coord[1], // hy
- obj11Coord[2] - obj00Coord[2]); // hz
- }
+ planeBoxCtr.setSize( obj00Coord[0], // lx
+ obj00Coord[1], // ly
+ obj00Coord[2], // lz
+ obj11Coord[0], // hx
+ obj11Coord[1], // hy
+ obj11Coord[2] );// hz
+
+ planBoxBL.setSize( 0, // lx
+ 0, // ly
+ 0, // lz
+ planeBoxCtr.getWidth(), // hx
+ planeBoxCtr.getHeight(),// hy
+ planeBoxCtr.getDepth());// hz
if( true || DEBUG ) {
System.err.printf("Reshape: zNear %f, zFar %f, sceneDist %f%n", zNear, zFar, sceneDist);
System.err.printf("Reshape: Frustum: %s%n", pmv.glGetFrustum());
System.err.printf("Reshape: mapped.00: [%f, %f, %f], winZ %f -> [%f, %f, %f]%n", 0f, 0f, orthoDist, winZ[0], obj00Coord[0], obj00Coord[1], obj00Coord[2]);
System.err.printf("Reshape: mapped.11: [%f, %f, %f], winZ %f -> [%f, %f, %f]%n", (float)width, (float)height, orthoDist, winZ[0], obj11Coord[0], obj11Coord[1], obj11Coord[2]);
- System.err.printf("Reshape: scenePlaneBox: %s%n", scenePlane);
+ System.err.printf("Reshape: scenePlaneBox: %s%n", planeBoxCtr);
}
}
if( false ) {
final float[] sceneScale = new float[3];
final float[] scenePlaneOrigin = new float[3];
- scenePlaneOrigin[0] = scenePlane.getMinX() * sceneDist;
- scenePlaneOrigin[1] = scenePlane.getMinY() * sceneDist;
- scenePlaneOrigin[2] = scenePlane.getMinZ() * sceneDist;
- sceneScale[0] = ( scenePlane.getWidth() * sceneDist ) / width;
- sceneScale[1] = ( scenePlane.getHeight() * sceneDist ) / height;
+ scenePlaneOrigin[0] = planeBoxCtr.getMinX() * sceneDist;
+ scenePlaneOrigin[1] = planeBoxCtr.getMinY() * sceneDist;
+ scenePlaneOrigin[2] = planeBoxCtr.getMinZ() * sceneDist;
+ sceneScale[0] = ( planeBoxCtr.getWidth() * sceneDist ) / width;
+ sceneScale[1] = ( planeBoxCtr.getHeight() * sceneDist ) / height;
sceneScale[2] = 1f;
System.err.printf("Scene Origin [%f, %f, %f]%n", scenePlaneOrigin[0], scenePlaneOrigin[1], scenePlaneOrigin[2]);
System.err.printf("Scene Scale %f * [%f x %f] / [%d x %d] = [%f, %f, %f]%n",
- sceneDist, scenePlane.getWidth(), scenePlane.getHeight(),
+ sceneDist, planeBoxCtr.getWidth(), planeBoxCtr.getHeight(),
width, height,
sceneScale[0], sceneScale[1], sceneScale[2]);
}
}
- /** Translate modelview to the {@link #getProjSceneDist()}, a convenience method. */
+ /** Copies the current int[4] viewport in given target and returns it for chaining. It is set after initial {@link #reshape(GLAutoDrawable, int, int, int, int)}. */
+ public final int[/*4*/] getViewport(final int[/*4*/] target) { return renderer.getViewport(target); }
+
+ /** Borrows the current int[4] viewport w/o copying. It is set after initial {@link #reshape(GLAutoDrawable, int, int, int, int)}. */
+ public final int[/*4*/] getViewport() { return renderer.getViewport(); }
+
+ /** Returns the {@link #getViewport()}'s width, set after initial {@link #reshape(GLAutoDrawable, int, int, int, int)}. */
+ public int getWidth() { return renderer.getWidth(); }
+ /** Returns the {@link #getViewport()}'s height, set after initial {@link #reshape(GLAutoDrawable, int, int, int, int)}. */
+ public int getHeight() { return renderer.getHeight(); }
+
+ /** Translate current matrix to {@link #getBounds()}'s origin (minx/miny) and {@link #getProjSceneDist()}, a convenience method. */
public void translate(final PMVMatrix pmv) {
- // pmv.glTranslatef(0f, 0f, sceneDist);
- pmv.glTranslatef(scenePlane.getMinX(), scenePlane.getMinY(), 0f);
+ pmv.glTranslatef(planeBoxCtr.getMinX(), planeBoxCtr.getMinY(), sceneDist);
}
/**
+ * Setup {@link PMVMatrix} projection and modelview using explicit surface width and height before {@link #reshape(GLAutoDrawable, int, int, int, int)} happened, a convenience method.
+ * <p>
+ * Projection will be setup using perspective {@link #getProjAngle()} with {@link #getProjZNear()} and {@link #getProjZFar()}.
+ * </p>
+ * <p>
+ * Modelview is translated to given {@link #getProjSceneDist()}
+ * and and origin 0/0 becomes the bottom-left corner.
+ * </p>
+ * @param pmv the {@link PMVMatrix} to setup
+ * @param surface_width explicit surface width
+ * @param surface_height explicit surface height
+ */
+ public void setupMatrix(final PMVMatrix pmv, final int surface_width, final int surface_height) {
+ final float ratio = (float)surface_width/(float)surface_height;
+ pmv.glMatrixMode(GLMatrixFunc.GL_PROJECTION);
+ pmv.glLoadIdentity();
+ pmv.gluPerspective(projAngle, ratio, zNear, zFar);
+
+ pmv.glMatrixMode(GLMatrixFunc.GL_MODELVIEW);
+ pmv.glLoadIdentity();
+ translate(pmv);
+ }
+
+ /**
+ * Setup {@link PMVMatrix} projection and modelview using implicit {@link #getViewport()} surface dimension after {@link #reshape(GLAutoDrawable, int, int, int, int)} happened, a convenience method.
+ * <p>
+ * Projection will be setup using perspective {@link #getProjAngle()} with {@link #getProjZNear()} and {@link #getProjZFar()}.
+ * </p>
+ * <p>
+ * Modelview is translated to given {@link #getProjSceneDist()}
+ * and and origin 0/0 becomes the bottom-left corner.
+ * </p>
+ * @param pmv the {@link PMVMatrix} to setup
+ * @param surface_width explicit surface width
+ * @param surface_height explicit surface height
+ */
+ public void setup(final PMVMatrix pmv) {
+ setupMatrix(pmv, getWidth(), getHeight());
+ }
+
+ /**
+ * Describing the scene's object model-dimensions of the near-plane parallel at its scene-distance {@link #getProjSceneDist()}
+ * having the origin 0/0 on the bottom-left corner.
+ * <p>
+ * The value is evaluated at {@link #reshape(GLAutoDrawable, int, int, int, int)}.
+ * </p>
+ * <p>
+ * {@link AABBox#getWidth()} and {@link AABBox#getHeight()} define scene's dimension covered by surface size.
+ * </p>
+ */
+ public AABBox getBounds() { return planBoxBL; }
+
+ /**
* Describing the scene's object model-dimensions of the near-plane parallel at its scene-distance {@link #getProjSceneDist()}
- * having the origin 0/0 on the lower-left corner.
+ * having the origin 0/0 in the center of the screen.
* <p>
- * The value is evaluated at {@link #reshape(GLAutoDrawable, int, int, int, int)} before translating to the lower-left origin 0/0,
+ * The value is evaluated at {@link #reshape(GLAutoDrawable, int, int, int, int)} before translating to the bottom-left origin 0/0,
* i.e. its minimum values are negative of half dimension.
* </p>
* <p>
* {@link AABBox#getWidth()} and {@link AABBox#getHeight()} define scene's dimension covered by surface size.
* </p>
*/
- public AABBox getScenePlane() { return scenePlane; }
+ public AABBox getBoundsCenter() { return planeBoxCtr; }
public final Shape getActiveShape() {
return activeShape;
@@ -582,7 +648,7 @@ public class Scene implements GLEventListener {
final MouseEvent e = (MouseEvent) orig;
// flip to GL window coordinates
final int glWinX = e.getX();
- final int glWinY = viewport[3] - e.getY() - 1;
+ final int glWinY = getHeight() - e.getY() - 1;
final float[] objPos = new float[3];
final Shape shape = activeShape;
winToObjCoord(shape, glWinX, glWinY, objPos, new Runnable() {
@@ -659,7 +725,7 @@ public class Scene implements GLEventListener {
}
// flip to GL window coordinates, origin bottom-left
final int glWinX = e.getX();
- final int glWinY = viewport[3] - e.getY() - 1;
+ final int glWinY = getHeight() - e.getY() - 1;
dispatchMouseEvent(e, glWinX, glWinY);
}
@@ -667,7 +733,7 @@ public class Scene implements GLEventListener {
public void mouseReleased(final MouseEvent e) {
// flip to GL window coordinates, origin bottom-left
final int glWinX = e.getX();
- final int glWinY = viewport[3] - e.getY() - 1;
+ final int glWinY = getHeight() - e.getY() - 1;
dispatchMouseEvent(e, glWinX, glWinY);
if( 1 == e.getPointerCount() ) {
// Release active shape: last pointer has been lifted!
@@ -680,7 +746,7 @@ public class Scene implements GLEventListener {
public void mouseClicked(final MouseEvent e) {
// flip to GL window coordinates
final int glWinX = e.getX();
- final int glWinY = viewport[3] - e.getY() - 1;
+ final int glWinY = getHeight() - e.getY() - 1;
// activeId should have been released by mouseRelease() already!
dispatchMouseEventPickShape(e, glWinX, glWinY, false);
// Release active shape: last pointer has been lifted!
@@ -698,7 +764,7 @@ public class Scene implements GLEventListener {
// dragged .. delegate to active shape!
// flip to GL window coordinates, origin bottom-left
final int glWinX = lx;
- final int glWinY = viewport[3] - ly - 1;
+ final int glWinY = getHeight() - ly - 1;
dispatchMouseEventForShape(activeShape, e, glWinX, glWinY);
}
}
@@ -707,7 +773,7 @@ public class Scene implements GLEventListener {
public void mouseWheelMoved(final MouseEvent e) {
// flip to GL window coordinates
final int glWinX = lx;
- final int glWinY = viewport[3] - ly - 1;
+ final int glWinY = getHeight() - ly - 1;
dispatchMouseEventPickShape(e, glWinX, glWinY, true);
}
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-01 23:55:39 +0000