changes due to package renaming in jocl.

1 files changed, 249 insertions, 0 deletions

diff --git a/src/com/jogamp/opencl/demos/julia3d/UserSceneController.java b/src/com/jogamp/opencl/demos/julia3d/UserSceneController.java
new file mode 100644
index 0000000..fda54be
--- /dev/null
+++ b/src/com/jogamp/opencl/demos/julia3d/UserSceneController.java
@@ -0,0 +1,249 @@
+package com.jogamp.opencl.demos.julia3d;
+
+import com.jogamp.opencl.demos.julia3d.structs.RenderingConfig;
+import com.jogamp.opencl.demos.julia3d.structs.Vec;
+import java.awt.Component;
+import java.awt.Point;
+import java.awt.event.KeyAdapter;
+import java.awt.event.KeyEvent;
+import java.awt.event.MouseAdapter;
+import java.awt.event.MouseEvent;
+import java.awt.event.MouseWheelEvent;
+
+import static java.lang.Math.*;
+import static com.jogamp.opencl.demos.julia3d.Renderer.*;
+
+/**
+ * Utility class for interacting with a scene. Supports rotation and zoom around origin.
+ * @author Michael Bien
+ */
+public class UserSceneController {
+
+    private Point dragstart;
+    private RenderingConfig model;
+    private Renderer view;
+
+    private enum MOUSE_MODE { DRAG_ROTATE, DRAG_ZOOM }
+    private MOUSE_MODE dragmode = MOUSE_MODE.DRAG_ROTATE;
+
+
+    public void init(Renderer view, Component component, RenderingConfig model) {
+        initMouseListeners(component);
+        this.view = view;
+        this.model = model;
+    }
+
+    private void initMouseListeners(Component component) {
+
+        MouseAdapter mouseAdapter = new MouseAdapter() {
+            @Override
+            public void mouseDragged(MouseEvent e) {
+
+                int x = e.getX();
+                int y = e.getY();
+
+                switch (dragmode) {
+                    case DRAG_ROTATE:
+                        if (dragstart != null) {
+                            int height = model.getHeight();
+                            int width = model.getWidth();
+
+                            int ry = height - y - 1;
+                            int baseMu1 = width - MU_RECT_SIZE - 2;
+                            int baseMu2 = 1;
+                            int baseMu3 = width - MU_RECT_SIZE - 2;
+                            int baseMu4 = MU_RECT_SIZE + 2;
+
+                            if ((x >= baseMu1 && x <= baseMu1 + MU_RECT_SIZE) && (ry >= baseMu2 && ry <= baseMu2 + MU_RECT_SIZE)) {
+                                float[] mu = model.getMu();
+                                mu[0] = 3.f * ( x - baseMu1) / (float)MU_RECT_SIZE - 1.5f;
+                                mu[1] = 3.f * (ry - baseMu2) / (float)MU_RECT_SIZE - 1.5f;
+                                model.setMu(mu);
+                            } else if ((x >= baseMu3 && x <= baseMu3 + MU_RECT_SIZE) && (ry >= baseMu4 && ry <= baseMu4 + MU_RECT_SIZE)) {
+                                float[] mu = model.getMu();
+                                mu[2] = 3.f * ( x - baseMu3) / (float)MU_RECT_SIZE - 1.5f;
+                                mu[3] = 3.f * (ry - baseMu4) / (float)MU_RECT_SIZE - 1.5f;
+                                model.setMu(mu);
+                            } else {
+                                rotateCameraYbyOrig(0.01f * (x - dragstart.getX()));
+                                rotateCameraXbyOrig(0.01f * (y - dragstart.getY()));
+                            }
+                        }
+                        dragstart = e.getPoint();
+                        view.update();
+                        break;
+                    case DRAG_ZOOM:
+                        if (dragstart != null) {
+                            float zoom = (float) ((y - dragstart.getY()) / 10.0f);
+                            zoom(zoom);
+                        }
+                        dragstart = e.getPoint();
+                        view.update();
+                        break;
+                }
+
+            }
+
+            @Override
+            public void mousePressed(MouseEvent e) {
+                switch (e.getButton()) {
+                    case (MouseEvent.BUTTON1):
+                        dragmode = MOUSE_MODE.DRAG_ROTATE;
+                        break;
+                    case (MouseEvent.BUTTON2):
+                        dragmode = MOUSE_MODE.DRAG_ZOOM;
+                        break;
+                    case (MouseEvent.BUTTON3):
+                        dragmode = MOUSE_MODE.DRAG_ZOOM;
+                        break;
+                }
+            }
+
+            @Override
+            public void mouseReleased(MouseEvent e) {
+                switch (e.getButton()) {
+                    case (MouseEvent.BUTTON1):
+                        dragmode = MOUSE_MODE.DRAG_ZOOM;
+                        break;
+                    case (MouseEvent.BUTTON2):
+                        dragmode = MOUSE_MODE.DRAG_ROTATE;
+                        break;
+                    case (MouseEvent.BUTTON3):
+                        dragmode = MOUSE_MODE.DRAG_ROTATE;
+                        break;
+                }
+
+                dragstart = null;
+            }
+
+            @Override
+            public void mouseWheelMoved(MouseWheelEvent e) {
+                float zoom = e.getWheelRotation() * 0.1f;
+                zoom(zoom);
+                view.update();
+            }
+
+        };
+
+        KeyAdapter keyAdapter = new KeyAdapter() {
+
+            @Override
+            public void keyPressed(KeyEvent e) {
+
+                switch (e.getKeyChar()) {
+                    case 'l':
+                        model.setEnableShadow(model.getEnableShadow()==0 ? 1 : 0);
+                        break;
+                    case '1':
+                        model.setEpsilon(model.getEpsilon() * 0.75f);
+                        break;
+                    case '2':
+                        model.setEpsilon(model.getEpsilon() * 1.f / 0.75f);
+                        break;
+                    case '3':
+                        model.setMaxIterations(max(1, model.getMaxIterations() -1));
+                        break;
+                    case '4':
+                        model.setMaxIterations(min(12, model.getMaxIterations()+1));
+                        break;
+                    case '5':
+                        model.setSuperSamplingSize(max(1, model.getSuperSamplingSize() -1));
+                        break;
+                    case '6':
+                        model.setSuperSamplingSize(min(5, model.getSuperSamplingSize() +1));
+                        break;
+                    default:
+                        break;
+                }
+                view.update();
+
+            }
+
+        };
+
+        component.addKeyListener(keyAdapter);
+
+        component.addMouseListener(mouseAdapter);
+        component.addMouseMotionListener(mouseAdapter);
+        component.addMouseWheelListener(mouseAdapter);
+
+    }
+    private void zoom(float zoom) {
+        Vec orig = model.getCamera().getOrig();
+        orig.setX(orig.getX()+zoom)
+            .setY(orig.getY()+zoom)
+            .setZ(orig.getZ()+zoom);
+    }
+
+    private void rotateLightX(float k) {
+        float[] light = model.getLight();
+        float y = light[1];
+        float z = light[2];
+        light[1] = (float) ( y * cos(k) + z * sin(k));
+        light[2] = (float) (-y * sin(k) + z * cos(k));
+        model.setLight(light);
+    }
+
+    private void rotateLightY(float k) {
+        float[] light = model.getLight();
+        float x = light[0];
+        float z = light[2];
+        light[0] = (float) (x * cos(k) - z * sin(k));
+        light[2] = (float) (x * sin(k) + z * cos(k));
+        model.setLight(light);
+    }
+
+    private void rotateCameraXbyOrig(double k) {
+        Vec orig = model.getCamera().getOrig();
+        float y = orig.getY();
+        float z = orig.getZ();
+        orig.setY((float) ( y * cos(k) + z * sin(k)));
+        orig.setZ((float) (-y * sin(k) + z * cos(k)));
+    }
+
+    private void rotateCameraYbyOrig(double k) {
+        Vec orig = model.getCamera().getOrig();
+        float x = orig.getX();
+        float z = orig.getZ();
+        orig.setX((float) (x * cos(k) - z * sin(k)));
+        orig.setZ((float) (x * sin(k) + z * cos(k)));
+    }
+
+
+    public final static void vadd(Vec v, Vec a, Vec b) {
+        v.setX(a.getX() + b.getX());
+        v.setY(a.getY() + b.getY());
+        v.setZ(a.getZ() + b.getZ());
+    }
+
+    public final static void vsub(Vec v, Vec a, Vec b) {
+        v.setX(a.getX() - b.getX());
+        v.setY(a.getY() - b.getY());
+        v.setZ(a.getZ() - b.getZ());
+    }
+
+    public final static void vmul(Vec v, float s, Vec b) {
+        v.setX(s * b.getX());
+        v.setY(s * b.getY());
+        v.setZ(s * b.getZ());
+    }
+
+    public final static float vdot(Vec a, Vec b) {
+        return a.getX() * b.getX()
+             + a.getY() * b.getY()
+             + a.getZ() * b.getZ();
+    }
+
+    public final static void vnorm(Vec v) {
+        float s = (float) (1.0f / sqrt(vdot(v, v)));
+        vmul(v, s, v);
+    }
+
+    public final static void vxcross(Vec v, Vec a, Vec b) {
+        v.setX(a.getY() * b.getZ() - a.getZ() * b.getY());
+        v.setY(a.getZ() * b.getX() - a.getX() * b.getZ());
+        v.setZ(a.getX() * b.getY() - a.getY() * b.getX());
+    }
+
+
+}
\ No newline at end of file