?? cameracontrollerblender.java
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package vsdk.toolkit.gui;import java.awt.event.MouseEvent;import java.awt.event.MouseWheelEvent;//import java.awt.event.KeyEvent;import vsdk.toolkit.common.Vector3D;import vsdk.toolkit.common.Matrix4x4;import vsdk.toolkit.environment.Camera;public class CameraControllerBlender extends CameraController { private Camera camera; public CameraControllerBlender(Camera camera) { this.camera = camera; } public boolean processMouseEventAwt(MouseEvent mouseEvent) { return true; } private double augmentLogarithmic(double val, double EPSILON) { if ( val < 0.001 ) val += 0.0001; else if ( val < 0.01 ) val += 0.001; else if ( val < 0.1 - EPSILON ) val += 0.01; else if ( val < 1 - EPSILON ) val += 0.1; else if ( val < 10 - EPSILON ) val += 1; else if ( val < 100 - EPSILON ) val += 10; else if ( val < 1000 - EPSILON ) val += 100; else if ( val < 10000 - EPSILON ) val += 1000; else if ( val < 100000 - EPSILON ) val += 10000; else if ( val < 1000000 - EPSILON ) val += 100000; else if ( val < 10000000 - EPSILON ) val *= 2; else val = 10000000; return val; } private double diminishLogarithmic(double val, double EPSILON) { if ( val > 10000000 + EPSILON ) val /= 2; else if ( val > 1000000 + EPSILON ) val -= 1000000; else if ( val > 100000 + EPSILON ) val -= 100000; else if ( val > 10000 + EPSILON ) val -= 10000; else if ( val > 1000 + EPSILON ) val -= 1000; else if ( val > 100 + EPSILON ) val -= 100; else if ( val > 10 + EPSILON ) val -= 10; else if ( val > 1 + EPSILON ) val -= 1; else if ( val > 0.1 + EPSILON ) val -= 0.1; else if ( val > 0.01 + EPSILON ) val -= 0.01; else if ( val > 0.001 + EPSILON ) val -= 0.001; else if ( val > 0.0001 + EPSILON ) val -= 0.0001; else val = 0.0001; return val; } public boolean processKeyPressedEvent(KeyEvent keyEvent) { System.out.println("MY EVENT!"); return false; } public boolean processKeyPressedEventAwt(java.awt.event.KeyEvent keyEvent) { // Local copy of the Camera's internal parameters Vector3D eyePosition; Vector3D focusedPosition; Matrix4x4 R; // Camera rotation matrix int projectionMode; double fov; double orthogonalZoom; double nearPlaneDistance; double farPlaneDistance; // Internal variables to control the interaction char unicode_id; int keycode; double deltaMov = 0.1; double angleInc; boolean updated = false; double EPSILON = 0.0001; int mask; int SHIFT_MASK = keyEvent.SHIFT_DOWN_MASK; int CTRL_MASK = keyEvent.CTRL_DOWN_MASK; Vector3D u, v, w; Matrix4x4 DR, T1, T2, COMPUESTA; // 1. Obtain a copy of the camera's internal parameters eyePosition = camera.getPosition(); focusedPosition = camera.getFocusedPosition(); R = camera.getRotation(); projectionMode = camera.getProjectionMode(); fov = camera.getFov(); orthogonalZoom = camera.getOrthogonalZoom(); nearPlaneDistance = camera.getNearPlaneDistance(); farPlaneDistance = camera.getFarPlaneDistance(); // 2. Calculate variables used for interaction manipulation unicode_id = keyEvent.getKeyChar(); keycode = keyEvent.getKeyCode(); mask = keyEvent.getModifiersEx(); u = new Vector3D(R.M[0][0], R.M[1][0], R.M[2][0]); v = new Vector3D(R.M[0][1], R.M[1][1], R.M[2][1]); w = new Vector3D(R.M[0][2], R.M[1][2], R.M[2][2]); if ( fov > 90 ) angleInc = Math.toRadians(10); else if ( fov > 45 ) angleInc = Math.toRadians(5); else if ( fov > 15 ) angleInc = Math.toRadians(2.5); else if ( fov > 5 ) angleInc = Math.toRadians(1); else angleInc = Math.toRadians(0.1); // 3. Event processing: update the copy of the camera's internal parameters// if ( unicode_id == keyEvent.CHAR_UNDEFINED ) { switch ( keycode ) { case java.awt.event.KeyEvent.VK_X: if ( (mask & SHIFT_MASK) == 0 ) { // Minuscula eyePosition.x -= deltaMov; focusedPosition.x -= deltaMov; updated = true; } else if ( (mask & SHIFT_MASK) != 0 ) { // Mayuscula eyePosition.x += deltaMov; focusedPosition.x += deltaMov; updated = true; } break; case java.awt.event.KeyEvent.VK_NUMPAD5: // Rote el modo de proyeccion switch ( projectionMode ) { case Camera.PROJECTION_MODE_PERSPECTIVE: projectionMode = Camera.PROJECTION_MODE_ORTHOGONAL; break; default: projectionMode = Camera.PROJECTION_MODE_PERSPECTIVE; break; } updated = true; break; case java.awt.event.KeyEvent.VK_NUMPAD4: if ( (mask & CTRL_MASK) == 0 ) { // Rotation T1 = new Matrix4x4(); DR = new Matrix4x4(); T2 = new Matrix4x4(); T1.translation(focusedPosition.multiply(-1)); DR.axisRotation(-Math.toRadians(15), 0, 0, 1); T2.translation(focusedPosition); COMPUESTA = T2.multiply(DR.multiply(T1)); eyePosition = COMPUESTA.multiply(eyePosition); R = COMPUESTA.multiply(R); updated = true; } else if ( (mask & CTRL_MASK) != 0 ) { // Translation eyePosition = eyePosition.add(v.multiply(deltaMov)); focusedPosition = focusedPosition.add(v.multiply(deltaMov)); updated = true; } break; case java.awt.event.KeyEvent.VK_NUMPAD6: if ( (mask & CTRL_MASK) == 0 ) { // Rotation T1 = new Matrix4x4(); DR = new Matrix4x4(); T2 = new Matrix4x4(); T1.translation(focusedPosition.multiply(-1)); DR.axisRotation(Math.toRadians(15), 0, 0, 1); T2.translation(focusedPosition); COMPUESTA = T2.multiply(DR.multiply(T1)); eyePosition = COMPUESTA.multiply(eyePosition); R = COMPUESTA.multiply(R); updated = true; } else if ( (mask & CTRL_MASK) != 0 ) { // Translation eyePosition = eyePosition.substract(v.multiply(deltaMov)); focusedPosition = focusedPosition.substract(v.multiply(deltaMov)); updated = true; } break; case java.awt.event.KeyEvent.VK_NUMPAD2: if ( (mask & CTRL_MASK) == 0 ) { // Rotation T1 = new Matrix4x4(); DR = new Matrix4x4(); T2 = new Matrix4x4(); T1.translation(focusedPosition.multiply(-1)); DR.axisRotation(-Math.toRadians(15), v.x, v.y, v.z); T2.translation(focusedPosition); COMPUESTA = T2.multiply(DR.multiply(T1)); eyePosition = COMPUESTA.multiply(eyePosition); R = COMPUESTA.multiply(R); updated = true; } else if ( (mask & CTRL_MASK) != 0 ) { // Translation eyePosition = eyePosition.substract(w.multiply(deltaMov)); focusedPosition = focusedPosition.substract(w.multiply(deltaMov)); updated = true; } break; case java.awt.event.KeyEvent.VK_NUMPAD8: if ( (mask & CTRL_MASK) == 0 ) { // Rotation T1 = new Matrix4x4(); DR = new Matrix4x4(); T2 = new Matrix4x4(); T1.translation(focusedPosition.multiply(-1)); DR.axisRotation(Math.toRadians(15), v.x, v.y, v.z); T2.translation(focusedPosition); COMPUESTA = T2.multiply(DR.multiply(T1)); eyePosition = COMPUESTA.multiply(eyePosition); R = COMPUESTA.multiply(R); updated = true; } else if ( (mask & CTRL_MASK) != 0 ) { // Translation eyePosition = eyePosition.add(w.multiply(deltaMov)); focusedPosition = focusedPosition.add(w.multiply(deltaMov)); updated = true; } break; case java.awt.event.KeyEvent.VK_NUMPAD1: updated = true; R.axisRotation(0, 0, 0, 1); break; case 107: // Warning: How to tell java.awt.event.KeyEvent.VK_NUMPAD_PLUS: ? // Translation eyePosition = eyePosition.add(u.multiply(deltaMov)); focusedPosition = focusedPosition.add(u.multiply(deltaMov)); updated = true; break; case 109: // Warning: How to tell java.awt.event.KeyEvent.VK_NUMPAD_LESS: ? // Translation eyePosition = eyePosition.substract(u.multiply(deltaMov)); focusedPosition = focusedPosition.substract(u.multiply(deltaMov)); updated = true; break; }/* } else { switch ( unicode_id ) { // Position case 'y': eyePosition.y -= deltaMov; focusedPosition.y -= deltaMov; updated = true; break; case 'Y': eyePosition.y += deltaMov; focusedPosition.y += deltaMov; updated = true; break; case 'z': eyePosition.z -= deltaMov; focusedPosition.z -= deltaMov; updated = true; break; case 'Z': eyePosition.z += deltaMov; focusedPosition.z += deltaMov; updated = true; break; // Rotation case 'S': roll -= Math.toRadians(5); while ( roll < 0 ) roll += Math.toRadians(360); updated = true; break; case 's': roll += Math.toRadians(5); while ( roll > Math.toRadians(360) ) roll -= Math.toRadians(360); updated = true; break; // View volume modification case 'A': if ( camera.getProjectionMode() == camera.PROJECTION_MODE_ORTHOGONAL ) { orthogonalZoom /= 2; } else { if ( fov < 0.1 - EPSILON ) fov += 0.1; else if ( fov < 1 - EPSILON ) fov++; else if ( fov < 175 - EPSILON ) fov += 5; } updated = true; break; case 'a': if ( camera.getProjectionMode() == camera.PROJECTION_MODE_ORTHOGONAL ) { orthogonalZoom *= 2; } else { if ( fov > 5 + EPSILON ) fov -= 5; else if ( fov > 1 + EPSILON ) fov--; else if ( fov > 0.1 + EPSILON ) fov -= 0.1; } updated = true; break; case 'N': nearPlaneDistance = augmentLogarithmic(nearPlaneDistance, EPSILON); updated = true; break; case 'n': nearPlaneDistance = diminishLogarithmic(nearPlaneDistance, EPSILON); updated = true; break; case 'F': farPlaneDistance = augmentLogarithmic(farPlaneDistance, EPSILON); updated = true; break; case 'f': farPlaneDistance = diminishLogarithmic(farPlaneDistance, EPSILON); updated = true; break; // Queries case 'i': System.out.println(camera); break; } }*/ // Heuristic to simulate Blender's orthogonal behavior double d = eyePosition.length(); if ( d < 0.1 ) { orthogonalZoom = 10; } else { orthogonalZoom = 1 / d; } // 4. Update camera's internal parameters from local copy camera.setPosition(eyePosition); camera.setFocusedPositionMaintainingOrthogonality(focusedPosition); camera.setRotation(R); camera.setOrthogonalZoom(orthogonalZoom); camera.setFov(fov); camera.setProjectionMode(projectionMode); camera.setNearPlaneDistance(nearPlaneDistance); camera.setFarPlaneDistance(farPlaneDistance); return updated; } public boolean processKeyReleasedEventAwt(java.awt.event.KeyEvent keyEvent) { return false; } public boolean processMousePressedEventAwt(MouseEvent e) { return false; } public boolean processMouseReleasedEventAwt(MouseEvent e) { return false; } public boolean processMouseClickedEventAwt(MouseEvent e) { return false; } public boolean processMouseMovedEventAwt(MouseEvent e) { return false; } public boolean processMouseDraggedEventAwt(MouseEvent e) { return false; } public boolean processMouseWheelEventAwt(MouseWheelEvent e) { return false; } public Camera getCamera() { return camera; } public void setCamera(Camera camera) { this.camera = camera; }}?? 快捷鍵說(shuō)明
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