diff options
Diffstat (limited to 'src/jogl/classes/jogamp/opengl/gl2/ProjectDouble.java')
| -rw-r--r-- | src/jogl/classes/jogamp/opengl/gl2/ProjectDouble.java | 325 |
1 files changed, 140 insertions, 185 deletions
diff --git a/src/jogl/classes/jogamp/opengl/gl2/ProjectDouble.java b/src/jogl/classes/jogamp/opengl/gl2/ProjectDouble.java index a4aa1c7c5..f0922644b 100644 --- a/src/jogl/classes/jogamp/opengl/gl2/ProjectDouble.java +++ b/src/jogl/classes/jogamp/opengl/gl2/ProjectDouble.java @@ -114,10 +114,11 @@ */ package jogamp.opengl.gl2; -import java.nio.*; +import java.nio.DoubleBuffer; +import java.nio.IntBuffer; + +import javax.media.opengl.GL2; -import javax.media.opengl.*; -import jogamp.opengl.*; import com.jogamp.common.nio.Buffers; /** @@ -152,12 +153,7 @@ public class ProjectDouble { private final double[] in = new double[4]; private final double[] out = new double[4]; - private final double[] forward = new double[3]; - private final double[] side = new double[3]; - private final double[] up = new double[3]; - // Buffer-based implementation - private DoubleBuffer locbuf; private final DoubleBuffer matrixBuf; private final DoubleBuffer tempMatrixBuf; @@ -174,7 +170,7 @@ public class ProjectDouble { // Slice up one big buffer because some NIO implementations // allocate a huge amount of memory to back even the smallest of // buffers. - DoubleBuffer locbuf = Buffers.newDirectDoubleBuffer(128); + final DoubleBuffer locbuf = Buffers.newDirectDoubleBuffer(128); int pos = 0; int sz = 16; matrixBuf = slice(locbuf, pos, sz); @@ -194,14 +190,7 @@ public class ProjectDouble { upBuf = slice(locbuf, pos, sz); } - public void destroy() { - if(locbuf!=null) { - locbuf.clear(); - locbuf=null; - } - } - - private static DoubleBuffer slice(DoubleBuffer buf, int pos, int len) { + private static DoubleBuffer slice(final DoubleBuffer buf, final int pos, final int len) { buf.position(pos); buf.limit(pos + len); return buf.slice(); @@ -210,8 +199,8 @@ public class ProjectDouble { /** * Make matrix an identity matrix */ - private void __gluMakeIdentityd(DoubleBuffer m) { - int oldPos = m.position(); + private void __gluMakeIdentityd(final DoubleBuffer m) { + final int oldPos = m.position(); m.put(IDENTITY_MATRIX); m.position(oldPos); } @@ -219,7 +208,7 @@ public class ProjectDouble { /** * Make matrix an identity matrix */ - private void __gluMakeIdentityd(double[] m) { + private void __gluMakeIdentityd(final double[] m) { for (int i = 0; i < 16; i++) { m[i] = IDENTITY_MATRIX[i]; } @@ -232,7 +221,7 @@ public class ProjectDouble { * @param in * @param out */ - private void __gluMultMatrixVecd(double[] matrix, int matrix_offset, double[] in, double[] out) { + private void __gluMultMatrixVecd(final double[] matrix, final int matrix_offset, final double[] in, final double[] out) { for (int i = 0; i < 4; i++) { out[i] = in[0] * matrix[0*4+i+matrix_offset] + @@ -249,10 +238,10 @@ public class ProjectDouble { * @param in * @param out */ - private void __gluMultMatrixVecd(DoubleBuffer matrix, DoubleBuffer in, DoubleBuffer out) { - int inPos = in.position(); - int outPos = out.position(); - int matrixPos = matrix.position(); + private void __gluMultMatrixVecd(final DoubleBuffer matrix, final DoubleBuffer in, final DoubleBuffer out) { + final int inPos = in.position(); + final int outPos = out.position(); + final int matrixPos = matrix.position(); for (int i = 0; i < 4; i++) { out.put(i + outPos, in.get(0+inPos) * matrix.get(0*4+i+matrixPos) + @@ -268,10 +257,10 @@ public class ProjectDouble { * * @return */ - private boolean __gluInvertMatrixd(double[] src, double[] inverse) { + private boolean __gluInvertMatrixd(final double[] src, final double[] inverse) { int i, j, k, swap; double t; - double[][] temp = tempMatrix; + final double[][] temp = tempMatrix; for (i = 0; i < 4; i++) { for (j = 0; j < 4; j++) { @@ -338,14 +327,14 @@ public class ProjectDouble { * * @return */ - private boolean __gluInvertMatrixd(DoubleBuffer src, DoubleBuffer inverse) { + private boolean __gluInvertMatrixd(final DoubleBuffer src, final DoubleBuffer inverse) { int i, j, k, swap; double t; - int srcPos = src.position(); - int invPos = inverse.position(); + final int srcPos = src.position(); + final int invPos = inverse.position(); - DoubleBuffer temp = tempMatrixBuf; + final DoubleBuffer temp = tempMatrixBuf; for (i = 0; i < 4; i++) { for (j = 0; j < 4; j++) { @@ -412,7 +401,7 @@ public class ProjectDouble { * @param b * @param r */ - private void __gluMultMatricesd(double[] a, int a_offset, double[] b, int b_offset, double[] r) { + private void __gluMultMatricesd(final double[] a, final int a_offset, final double[] b, final int b_offset, final double[] r) { for (int i = 0; i < 4; i++) { for (int j = 0; j < 4; j++) { r[i*4+j] = @@ -430,10 +419,10 @@ public class ProjectDouble { * @param b * @param r */ - private void __gluMultMatricesd(DoubleBuffer a, DoubleBuffer b, DoubleBuffer r) { - int aPos = a.position(); - int bPos = b.position(); - int rPos = r.position(); + private void __gluMultMatricesd(final DoubleBuffer a, final DoubleBuffer b, final DoubleBuffer r) { + final int aPos = a.position(); + final int bPos = b.position(); + final int rPos = r.position(); for (int i = 0; i < 4; i++) { for (int j = 0; j < 4; j++) { @@ -451,31 +440,10 @@ public class ProjectDouble { * * @param v */ - private static void normalize(double[] v) { - double r; - - r = Math.sqrt(v[0] * v[0] + v[1] * v[1] + v[2] * v[2]); - if ( r == 0.0 ) - return; - - r = 1.0 / r; - - v[0] *= r; - v[1] *= r; - v[2] *= r; - - return; - } - - /** - * Normalize vector - * - * @param v - */ - private static void normalize(DoubleBuffer v) { + private static void normalize(final DoubleBuffer v) { double r; - int vPos = v.position(); + final int vPos = v.position(); r = Math.sqrt(v.get(0+vPos) * v.get(0+vPos) + v.get(1+vPos) * v.get(1+vPos) + @@ -500,23 +468,10 @@ public class ProjectDouble { * @param v2 * @param result */ - private static void cross(double[] v1, double[] v2, double[] result) { - result[0] = v1[1] * v2[2] - v1[2] * v2[1]; - result[1] = v1[2] * v2[0] - v1[0] * v2[2]; - result[2] = v1[0] * v2[1] - v1[1] * v2[0]; - } - - /** - * Calculate cross-product - * - * @param v1 - * @param v2 - * @param result - */ - private static void cross(DoubleBuffer v1, DoubleBuffer v2, DoubleBuffer result) { - int v1Pos = v1.position(); - int v2Pos = v2.position(); - int rPos = result.position(); + private static void cross(final DoubleBuffer v1, final DoubleBuffer v2, final DoubleBuffer result) { + final int v1Pos = v1.position(); + final int v2Pos = v2.position(); + final int rPos = result.position(); result.put(0+rPos, v1.get(1+v1Pos) * v2.get(2+v2Pos) - v1.get(2+v1Pos) * v2.get(1+v2Pos)); result.put(1+rPos, v1.get(2+v1Pos) * v2.get(0+v2Pos) - v1.get(0+v1Pos) * v2.get(2+v2Pos)); @@ -531,7 +486,7 @@ public class ProjectDouble { * @param bottom * @param top */ - public void gluOrtho2D(GL2 gl, double left, double right, double bottom, double top) { + public void gluOrtho2D(final GL2 gl, final double left, final double right, final double bottom, final double top) { gl.glOrtho(left, right, bottom, top, -1, 1); } @@ -543,9 +498,9 @@ public class ProjectDouble { * @param zNear * @param zFar */ - public void gluPerspective(GL2 gl, double fovy, double aspect, double zNear, double zFar) { + public void gluPerspective(final GL2 gl, final double fovy, final double aspect, final double zNear, final double zFar) { double sine, cotangent, deltaZ; - double radians = fovy / 2 * Math.PI / 180; + final double radians = fovy / 2 * Math.PI / 180; deltaZ = zFar - zNear; sine = Math.sin(radians); @@ -581,19 +536,19 @@ public class ProjectDouble { * @param upy * @param upz */ - public void gluLookAt(GL2 gl, - double eyex, - double eyey, - double eyez, - double centerx, - double centery, - double centerz, - double upx, - double upy, - double upz) { - DoubleBuffer forward = this.forwardBuf; - DoubleBuffer side = this.sideBuf; - DoubleBuffer up = this.upBuf; + public void gluLookAt(final GL2 gl, + final double eyex, + final double eyey, + final double eyez, + final double centerx, + final double centery, + final double centerz, + final double upx, + final double upy, + final double upz) { + final DoubleBuffer forward = this.forwardBuf; + final DoubleBuffer side = this.sideBuf; + final DoubleBuffer up = this.upBuf; forward.put(0, centerx - eyex); forward.put(1, centery - eyey); @@ -642,20 +597,20 @@ public class ProjectDouble { * * @return */ - public boolean gluProject(double objx, - double objy, - double objz, - double[] modelMatrix, - int modelMatrix_offset, - double[] projMatrix, - int projMatrix_offset, - int[] viewport, - int viewport_offset, - double[] win_pos, - int win_pos_offset ) { - - double[] in = this.in; - double[] out = this.out; + public boolean gluProject(final double objx, + final double objy, + final double objz, + final double[] modelMatrix, + final int modelMatrix_offset, + final double[] projMatrix, + final int projMatrix_offset, + final int[] viewport, + final int viewport_offset, + final double[] win_pos, + final int win_pos_offset ) { + + final double[] in = this.in; + final double[] out = this.out; in[0] = objx; in[1] = objy; @@ -696,16 +651,16 @@ public class ProjectDouble { * * @return */ - public boolean gluProject(double objx, - double objy, - double objz, - DoubleBuffer modelMatrix, - DoubleBuffer projMatrix, - IntBuffer viewport, - DoubleBuffer win_pos) { + public boolean gluProject(final double objx, + final double objy, + final double objz, + final DoubleBuffer modelMatrix, + final DoubleBuffer projMatrix, + final IntBuffer viewport, + final DoubleBuffer win_pos) { - DoubleBuffer in = this.inBuf; - DoubleBuffer out = this.outBuf; + final DoubleBuffer in = this.inBuf; + final DoubleBuffer out = this.outBuf; in.put(0, objx); in.put(1, objy); @@ -726,8 +681,8 @@ public class ProjectDouble { in.put(2, in.get(2) * in.get(3) + 0.5f); // Map x,y to viewport - int vPos = viewport.position(); - int wPos = win_pos.position(); + final int vPos = viewport.position(); + final int wPos = win_pos.position(); win_pos.put(0+wPos, in.get(0) * viewport.get(2+vPos) + viewport.get(0+vPos)); win_pos.put(1+wPos, in.get(1) * viewport.get(3+vPos) + viewport.get(1+vPos)); win_pos.put(2+wPos, in.get(2)); @@ -749,19 +704,19 @@ public class ProjectDouble { * * @return */ - public boolean gluUnProject(double winx, - double winy, - double winz, - double[] modelMatrix, - int modelMatrix_offset, - double[] projMatrix, - int projMatrix_offset, - int[] viewport, - int viewport_offset, - double[] obj_pos, - int obj_pos_offset) { - double[] in = this.in; - double[] out = this.out; + public boolean gluUnProject(final double winx, + final double winy, + final double winz, + final double[] modelMatrix, + final int modelMatrix_offset, + final double[] projMatrix, + final int projMatrix_offset, + final int[] viewport, + final int viewport_offset, + final double[] obj_pos, + final int obj_pos_offset) { + final double[] in = this.in; + final double[] out = this.out; __gluMultMatricesd(modelMatrix, modelMatrix_offset, projMatrix, projMatrix_offset, matrix); @@ -810,15 +765,15 @@ public class ProjectDouble { * * @return */ - public boolean gluUnProject(double winx, - double winy, - double winz, - DoubleBuffer modelMatrix, - DoubleBuffer projMatrix, - IntBuffer viewport, - DoubleBuffer obj_pos) { - DoubleBuffer in = this.inBuf; - DoubleBuffer out = this.outBuf; + public boolean gluUnProject(final double winx, + final double winy, + final double winz, + final DoubleBuffer modelMatrix, + final DoubleBuffer projMatrix, + final IntBuffer viewport, + final DoubleBuffer obj_pos) { + final DoubleBuffer in = this.inBuf; + final DoubleBuffer out = this.outBuf; __gluMultMatricesd(modelMatrix, projMatrix, matrixBuf); @@ -831,8 +786,8 @@ public class ProjectDouble { in.put(3, 1.0); // Map x and y from window coordinates - int vPos = viewport.position(); - int oPos = obj_pos.position(); + final int vPos = viewport.position(); + final int oPos = obj_pos.position(); in.put(0, (in.get(0) - viewport.get(0+vPos)) / viewport.get(2+vPos)); in.put(1, (in.get(1) - viewport.get(1+vPos)) / viewport.get(3+vPos)); @@ -872,22 +827,22 @@ public class ProjectDouble { * * @return */ - public boolean gluUnProject4(double winx, - double winy, - double winz, - double clipw, - double[] modelMatrix, - int modelMatrix_offset, - double[] projMatrix, - int projMatrix_offset, - int[] viewport, - int viewport_offset, - double near, - double far, - double[] obj_pos, - int obj_pos_offset ) { - double[] in = this.in; - double[] out = this.out; + public boolean gluUnProject4(final double winx, + final double winy, + final double winz, + final double clipw, + final double[] modelMatrix, + final int modelMatrix_offset, + final double[] projMatrix, + final int projMatrix_offset, + final int[] viewport, + final int viewport_offset, + final double near, + final double far, + final double[] obj_pos, + final int obj_pos_offset ) { + final double[] in = this.in; + final double[] out = this.out; __gluMultMatricesd(modelMatrix, modelMatrix_offset, projMatrix, projMatrix_offset, matrix); @@ -937,18 +892,18 @@ public class ProjectDouble { * * @return */ - public boolean gluUnProject4(double winx, - double winy, - double winz, - double clipw, - DoubleBuffer modelMatrix, - DoubleBuffer projMatrix, - IntBuffer viewport, - double near, - double far, - DoubleBuffer obj_pos) { - DoubleBuffer in = this.inBuf; - DoubleBuffer out = this.outBuf; + public boolean gluUnProject4(final double winx, + final double winy, + final double winz, + final double clipw, + final DoubleBuffer modelMatrix, + final DoubleBuffer projMatrix, + final IntBuffer viewport, + final double near, + final double far, + final DoubleBuffer obj_pos) { + final DoubleBuffer in = this.inBuf; + final DoubleBuffer out = this.outBuf; __gluMultMatricesd(modelMatrix, projMatrix, matrixBuf); @@ -961,7 +916,7 @@ public class ProjectDouble { in.put(3, clipw); // Map x and y from window coordinates - int vPos = viewport.position(); + final int vPos = viewport.position(); in.put(0, (in.get(0) - viewport.get(0+vPos)) / viewport.get(2+vPos)); in.put(1, (in.get(1) - viewport.get(1+vPos)) / viewport.get(3+vPos)); in.put(2, (in.get(2) - near) / (far - near)); @@ -976,7 +931,7 @@ public class ProjectDouble { if (out.get(3) == 0.0) return false; - int oPos = obj_pos.position(); + final int oPos = obj_pos.position(); obj_pos.put(0+oPos, out.get(0)); obj_pos.put(1+oPos, out.get(1)); obj_pos.put(2+oPos, out.get(2)); @@ -994,18 +949,18 @@ public class ProjectDouble { * @param deltaY * @param viewport */ - public void gluPickMatrix(GL2 gl, - double x, - double y, - double deltaX, - double deltaY, - IntBuffer viewport) { + public void gluPickMatrix(final GL2 gl, + final double x, + final double y, + final double deltaX, + final double deltaY, + final IntBuffer viewport) { if (deltaX <= 0 || deltaY <= 0) { return; } /* Translate and scale the picked region to the entire window */ - int vPos = viewport.position(); + final int vPos = viewport.position(); gl.glTranslated((viewport.get(2+vPos) - 2 * (x - viewport.get(0+vPos))) / deltaX, (viewport.get(3+vPos) - 2 * (y - viewport.get(1+vPos))) / deltaY, 0); @@ -1022,13 +977,13 @@ public class ProjectDouble { * @param viewport * @param viewport_offset */ - public void gluPickMatrix(GL2 gl, - double x, - double y, - double deltaX, - double deltaY, - int[] viewport, - int viewport_offset) { + public void gluPickMatrix(final GL2 gl, + final double x, + final double y, + final double deltaX, + final double deltaY, + final int[] viewport, + final int viewport_offset) { if (deltaX <= 0 || deltaY <= 0) { return; } |