diff options
Diffstat (limited to 'src/ru/olamedia/camera/MatrixCamera.java')
| -rw-r--r-- | src/ru/olamedia/camera/MatrixCamera.java | 262 |
1 files changed, 113 insertions, 149 deletions
diff --git a/src/ru/olamedia/camera/MatrixCamera.java b/src/ru/olamedia/camera/MatrixCamera.java index 2515daf..e93e25c 100644 --- a/src/ru/olamedia/camera/MatrixCamera.java +++ b/src/ru/olamedia/camera/MatrixCamera.java @@ -1,22 +1,30 @@ package ru.olamedia.camera; +import java.nio.FloatBuffer; + import javax.media.opengl.GL2; import javax.media.opengl.GLAutoDrawable; +import javax.media.opengl.GLContext; +import javax.media.opengl.GLUniformData; +import javax.media.opengl.fixedfunc.GLMatrixFunc; import javax.media.opengl.glu.GLU; import javax.vecmath.Vector3f; -import javax.vecmath.Matrix4f; import org.openmali.FastMath; -import static org.openmali.FastMath.*; - import ru.olamedia.olacraft.game.Game; import ru.olamedia.input.Keyboard; import ru.olamedia.math.Frustum; import com.jogamp.newt.event.KeyEvent; +import com.jogamp.opengl.util.PMVMatrix; public class MatrixCamera { + + public PMVMatrix pmvMatrix = new PMVMatrix(true); + private boolean isDirty = true; + public GLUniformData pmvMatrixUniform; + protected float fov = 90f; protected float aspect = 1f; protected float zNear = 0.1f; @@ -30,24 +38,13 @@ public class MatrixCamera { private float yaw = 0; // around y private float pitch = 0; private float roll = 0; - public Matrix4f projectionMatrix = new Matrix4f(); - private Matrix4f translationMatrix = new Matrix4f(); - private Matrix4f xRotationMatrix = new Matrix4f(); - private Matrix4f yRotationMatrix = new Matrix4f(); - private Matrix4f zRotationMatrix = new Matrix4f(); - private Matrix4f rotationMatrix = new Matrix4f(); - public Matrix4f viewMatrix = new Matrix4f(); - public Matrix4f worldMatrix = new Matrix4f(); private Vector3f look = new Vector3f(); private Vector3f right = new Vector3f(); private Vector3f up = new Vector3f(); public boolean isFrustumVisible = false; - @SuppressWarnings("unused") - private org.openmali.vecmath2.Matrix4f matrixToOpenMali(Matrix4f m) { - return new org.openmali.vecmath2.Matrix4f(matrixToTransposeArray(m)); - } + int counter = 0; public void pack() { if (isAttachedToCameraman) { @@ -55,37 +52,28 @@ public class MatrixCamera { position.y = cameraman.getCameraY(); position.z = cameraman.getCameraZ(); } + pmvMatrix.glMatrixMode(GLMatrixFunc.GL_PROJECTION); + pmvMatrix.glLoadIdentity(); + pmvMatrix.gluPerspective(fov, aspect, zNear, zFar); + + pmvMatrix.glMatrixMode(GLMatrixFunc.GL_MODELVIEW); + pmvMatrix.glLoadIdentity(); + pmvMatrix.glRotatef(360 - pitch, 1, 0, 0); + pmvMatrix.glRotatef(360 - yaw, 0, 1, 0); + pmvMatrix.glRotatef(360 - roll, 0, 0, 1); + pmvMatrix.glTranslatef(-position.x, -position.y, -position.z); + // pmvMatrix.setDirty(); + pmvMatrix.update(); + FloatBuffer mv = FloatBuffer.allocate(16); + pmvMatrix.glGetFloatv(GLMatrixFunc.GL_MODELVIEW_MATRIX, mv); + + right.set(mv.get(0), mv.get(4), mv.get(8)); + look.set(mv.get(2), mv.get(6), mv.get(10)); + up.cross(look, right); + + pmvMatrixUniform = new GLUniformData("mgl_PMVMatrix", 4, 4, pmvMatrix.glGetPMvMatrixf()); - worldMatrix.setIdentity(); - packProjectionMatrix(); - // projectionMatrix.transpose(); - // worldMatrix.mul(projectionMatrix); - translationMatrix.setIdentity(); - translationMatrix.m03 = position.x; - translationMatrix.m13 = position.y - 0.5f; // FIXME y is looking greater - // than it should - translationMatrix.m23 = position.z; - packRotation(); - packView(); - // after view matrix created, retrieve vectors: - viewMatrix.invert(); - viewMatrix.transpose(); - packLookVector(); - packRightVector(); - packUpVector(); packFrustum(); - // worldMatrix.mul(projectionMatrix, viewMatrix); - // worldMatrix.transpose(); - // // oglViewMatrix.set(viewMatrix); - // // oglViewMatrix.transpose(); - // frustum = FrustumUtil.extractFrustum(worldMatrix); - // Matrix4f vm = new Matrix4f(viewMatrix); - // vm.invert(); - // frustum.compute(matrixToOpenMali(projectionMatrix), - // matrixToOpenMali(vm)); - // ...... - // finally - // ...... } private ru.olamedia.math.Vector3f nearc; @@ -124,98 +112,90 @@ public class MatrixCamera { frustum.farPlane.set3Points(flt, flb, frb); } - private float[] matrixToTransposeArray(Matrix4f m) { - return new float[] { - // - m.m00, m.m01, m.m02, m.m03,// - m.m10, m.m11, m.m12, m.m13,// - m.m20, m.m21, m.m22, m.m23,// - m.m30, m.m31, m.m32, m.m33,// - }; - } - - private float[] matrixToArray(Matrix4f m) { - return new float[] { - // - m.m00, m.m10, m.m20, m.m30,// - m.m01, m.m11, m.m21, m.m31,// - m.m02, m.m12, m.m22, m.m32,// - m.m03, m.m13, m.m23, m.m33,// - }; - } - private GLU glu; public void setUp(GLAutoDrawable drawable) { - GL2 gl = drawable.getGL().getGL2(); updateKeyboard(); updateMouse(); if (glu == null) { glu = new GLU(); } - // gl.glMatrixMode(GL2.GL_PROJECTION); - // gl.glLoadIdentity(); - // glu.gluPerspective(100f, aspect, 0.2, 1000); - loadProjectionMatrix(drawable); - loadViewMatrix(drawable); - - // gl.glColor3f(1, 0, 0); - // PlaneRenderer.render(frustum.leftPlane, drawable); - // gl.glColor3f(1, 1, 0); - // PlaneRenderer.render(frustum.rightPlane, drawable); - // gl.glColor3f(1, 0, 1); - // PlaneRenderer.render(frustum.topPlane, drawable); - // gl.glColor3f(1, 1, 1); - // PlaneRenderer.render(frustum.bottomPlane, drawable); - - // VectorRenderer.render(nearc, frustum.leftPlane.n, drawable); + if (isDirty) { + pack(); + } + GL2 gl = GLContext.getCurrentGL().getGL2(); + gl.glMatrixMode(GLMatrixFunc.GL_PROJECTION); + gl.glLoadMatrixf(pmvMatrix.glGetPMatrixf()); + gl.glMatrixMode(GLMatrixFunc.GL_MODELVIEW); + FloatBuffer pmv = FloatBuffer.allocate(16); + pmvMatrix.glGetFloatv(GLMatrixFunc.GL_MODELVIEW_MATRIX, pmv); + gl.glLoadMatrixf(pmv); } - private void loadViewMatrix(GLAutoDrawable drawable) { - GL2 gl = drawable.getGL().getGL2(); - gl.glMatrixMode(GL2.GL_MODELVIEW); - gl.glLoadTransposeMatrixf(matrixToArray(viewMatrix), 0); + public float intersectsRectangle(Vector3f vertex1, Vector3f vertex2, Vector3f vertex3, Vector3f vertex4) { + return Math.min(intersectsTriangle(vertex1, vertex2, vertex3), intersectsTriangle(vertex3, vertex4, vertex1)); } - private void loadProjectionMatrix(GLAutoDrawable drawable) { - GL2 gl = drawable.getGL().getGL2(); - gl.glMatrixMode(GL2.GL_PROJECTION); - gl.glLoadTransposeMatrixf(matrixToArray(projectionMatrix), 0); - } + public float intersectsTriangle(Vector3f vertex1, Vector3f vertex2, Vector3f vertex3) { + // Compute vectors along two edges of the triangle. + Vector3f edge1 = new Vector3f(), edge2 = new Vector3f(); - private void packProjectionMatrix() { - projectionMatrix.setZero(); - final float tang = FastMath.tan(FastMath.toRad(fov) / 2.0f); - final float size = zNear * tang; - float left = -size, right = size, bottom = -size / aspect, top = size / aspect; - // First Column - projectionMatrix.m00 = 2 * zNear / (right - left); - // Second Column - projectionMatrix.m11 = 2 * zNear / (top - bottom); - // Third Column - projectionMatrix.m20 = (right + left) / (right - left); - projectionMatrix.m21 = (top + bottom) / (top - bottom); - projectionMatrix.m22 = -(zFar + zNear) / (zFar - zNear); - projectionMatrix.m23 = -1; - // Fourth Column - projectionMatrix.m32 = -(2 * zFar * zNear) / (zFar - zNear); - } - - private void packRotation() { - xRotationMatrix.rotX(toRad(pitch)); - yRotationMatrix.rotY(toRad(yaw)); - zRotationMatrix.rotZ(toRad(roll)); - - rotationMatrix.setIdentity(); - rotationMatrix.mul(zRotationMatrix); - rotationMatrix.mul(yRotationMatrix); - rotationMatrix.mul(xRotationMatrix); + edge1.sub(vertex2, vertex1); + edge2.sub(vertex3, vertex1); + + // Compute the determinant. + Vector3f directionCrossEdge2 = new Vector3f(); + directionCrossEdge2.cross(look, edge2); + + float determinant = directionCrossEdge2.dot(edge1); + // If the ray and triangle are parallel, there is no collision. + if (determinant > -.0000001f && determinant < .0000001f) { + return Float.MAX_VALUE; + } + + float inverseDeterminant = 1.0f / determinant; + + // Calculate the U parameter of the intersection point. + Vector3f distanceVector = new Vector3f(); + distanceVector.sub(position, vertex1); + + float triangleU = directionCrossEdge2.dot(distanceVector); + triangleU *= inverseDeterminant; + + // Make sure the U is inside the triangle. + if (triangleU < 0 || triangleU > 1) { + return Float.MAX_VALUE; + } + + // Calculate the V parameter of the intersection point. + Vector3f distanceCrossEdge1 = new Vector3f(); + distanceCrossEdge1.cross(distanceVector, edge1); + + float triangleV = look.dot(distanceCrossEdge1); + triangleV *= inverseDeterminant; + + // Make sure the V is inside the triangle. + if (triangleV < 0 || triangleU + triangleV > 1) { + return Float.MAX_VALUE; + } + + // Get the distance to the face from our ray origin + float rayDistance = distanceCrossEdge1.dot(edge2); + rayDistance *= inverseDeterminant; + + // Is the triangle behind us? + if (rayDistance < 0) { + rayDistance *= -1; + return Float.MAX_VALUE; + } + return rayDistance; } private void translatePoint(Vector3f point, Vector3f direction, float delta) { point.x += direction.x * delta; point.y += direction.y * delta; point.z += direction.z * delta; + setDirty(); } private void translate(Vector3f direction, float delta) { @@ -228,31 +208,12 @@ public class MatrixCamera { translate(look, -dz); } - private void packView() { - viewMatrix.setIdentity(); - viewMatrix.mul(translationMatrix); - viewMatrix.mul(rotationMatrix); - - } - - private void packUpVector() { - up.set(viewMatrix.m01, viewMatrix.m11, viewMatrix.m21); - } - - private void packRightVector() { - right.set(viewMatrix.m00, viewMatrix.m10, viewMatrix.m20); - } - - private void packLookVector() { - look.set(viewMatrix.m02, viewMatrix.m12, viewMatrix.m22); - } - public MatrixCamera() { right = new Vector3f(1, 0, 0); up = new Vector3f(0, 1, 0); look = new Vector3f(0, 0, 1); isPitchLocked = true; - pack(); + setDirty(); } public void captureControls() { @@ -269,6 +230,7 @@ public class MatrixCamera { pitch += -dy; yaw = yaw % 360; pitch = pitch % 360; + setDirty(); } public void updateMouse() { @@ -279,7 +241,6 @@ public class MatrixCamera { pitch = maxPitch; } } - pack(); } public void lockPitch(float min, float max) { @@ -311,9 +272,7 @@ public class MatrixCamera { (isAttachedToCameraman ? 0 : flyUp * distance - flyDown * distance),// up * distance - down * distance// ); - pack(); - // System.out.println("Moving... " + position.getX() + " " - // + position.getY() + " " + position.getZ()); + setDirty(); } } @@ -335,6 +294,7 @@ public class MatrixCamera { */ public void setFov(float fov) { this.fov = fov; + setDirty(); } /** @@ -350,6 +310,7 @@ public class MatrixCamera { */ public void setAspect(float aspect) { this.aspect = aspect; + setDirty(); } /** @@ -365,6 +326,7 @@ public class MatrixCamera { */ public void setzNear(float zNear) { this.zNear = zNear; + setDirty(); } /** @@ -380,6 +342,7 @@ public class MatrixCamera { */ public void setzFar(float zFar) { this.zFar = zFar; + setDirty(); } /** @@ -395,6 +358,7 @@ public class MatrixCamera { */ public void setYaw(float yaw) { this.yaw = yaw; + setDirty(); } /** @@ -410,6 +374,7 @@ public class MatrixCamera { */ public void setPitch(float pitch) { this.pitch = pitch; + setDirty(); } /** @@ -474,14 +439,21 @@ public class MatrixCamera { public void setX(float x) { position.x = x; + setDirty(); } public void setY(float y) { position.y = y; + setDirty(); } public void setZ(float z) { position.z = z; + setDirty(); + } + + private void setDirty() { + isDirty = true; } public float getX() { @@ -496,14 +468,6 @@ public class MatrixCamera { return position.z; } - public float[] getViewMatrixArray() { - return matrixToArray(viewMatrix); - } - - public float[] getProjectionMatrixArray() { - return matrixToArray(viewMatrix); - } - public float getRoll() { return roll; } |