diff options
Diffstat (limited to 'src/ru/olamedia/camera')
| -rw-r--r-- | src/ru/olamedia/camera/CameraProjectionMatrix.java | 77 | ||||
| -rw-r--r-- | src/ru/olamedia/camera/Cameraman.java | 21 | ||||
| -rw-r--r-- | src/ru/olamedia/camera/MatrixCamera.java | 545 | ||||
| -rw-r--r-- | src/ru/olamedia/camera/package-info.java | 8 |
4 files changed, 651 insertions, 0 deletions
diff --git a/src/ru/olamedia/camera/CameraProjectionMatrix.java b/src/ru/olamedia/camera/CameraProjectionMatrix.java new file mode 100644 index 0000000..ec1c390 --- /dev/null +++ b/src/ru/olamedia/camera/CameraProjectionMatrix.java @@ -0,0 +1,77 @@ +package ru.olamedia.camera; + +import org.openmali.FastMath; +import org.openmali.vecmath2.Matrix4f; + +public class CameraProjectionMatrix extends Matrix4f { + + /** + * Creates a mesa-style perspective projection transform, that mimics a + * standard, camera-based, view-model. + * + * @param fovy + * specifies the field of view in the y direction, in radians + * @param aspect + * specifies the aspect ratio and thus the field of view in the x + * direction. The aspect ratio is the ratio of x to y, or width + * to height. + * @param zNear + * the distance to the frustum's near clipping plane. This value + * must be positive, (the value -zNear is the location of the + * near clip plane). + * @param zFar + * the distance to the frustum's far clipping plane. + */ + public final void perspectiveMesa(float fovy, float aspect, float zNear, + float zFar) { + final float ymax = zNear * FastMath.tan(fovy); + final float ymin = -ymax; + final float xmin = ymin * aspect; + final float xmax = ymax * aspect; + + // don't call glFrustum() because of error semantics (covglu) + frustumMesa(xmin, xmax, ymin, ymax, zNear, zFar); + } + + /** + * Creates a masa-style perspective projection transform, that mimics a + * standard, camera-based, view-model. The frustum function-call establishes + * a view-model with the eye at the apex of a symmetric view frustum. The + * arguments define the frustum and its associated perspective projection: + * (left, bottom, -near) and (right, top, -near) specify the point on the + * near clipping plane that maps onto the lower-left and upper-right corners + * of the window respectively, assuming the eye is located at (0, 0, 0). + * + * @param left + * the vertical line on the left edge of the near clipping plane + * mapped to the left edge of the graphics window + * @param right + * the vertical line on the right edge of the near clipping plane + * mapped to the right edge of the graphics window + * @param bottom + * the horizontal line on the bottom edge of the near clipping + * plane mapped to the bottom edge of the graphics window + * @param top + * the horizontal line on the top edge of the near + * @param zNear + * the distance to the frustum's near clipping plane. This value + * must be positive, (the value -near is the location of the near + * clip plane). + * @param zFar + * the distance to the frustum's far clipping plane. This value + * must be positive, and must be greater than near. + */ + public final void frustumMesa(float left, float right, float bottom, + float top, float zNear, float zFar) { + final float x = (2.0f * zNear) / (right - left); + final float y = (2.0f * zNear) / (top - bottom); + final float a = (right + left) / (right - left); + final float b = (top + bottom) / (top - bottom); + final float c = -(zFar + zNear) / (zFar - zNear); + final float d = -(2.0f * zFar * zNear) / (zFar - zNear); + + this.set(x, 0f, 0f, 0f, 0f, y, 0f, 0f, a, b, c, -1f, 0f, 0f, d, 0f); + + } + +} diff --git a/src/ru/olamedia/camera/Cameraman.java b/src/ru/olamedia/camera/Cameraman.java new file mode 100644 index 0000000..7dbbcc0 --- /dev/null +++ b/src/ru/olamedia/camera/Cameraman.java @@ -0,0 +1,21 @@ +package ru.olamedia.camera; + +/** + * Cameraman. + * + * @desc Primary purpose is providing eyes level: getCameraY() + * + * @author olamedia + * + */ +public interface Cameraman { + public float getCameraX(); + + public float getCameraY(); + + public float getCameraZ(); + + public void update(float delta); + + public void captureControls(); +} diff --git a/src/ru/olamedia/camera/MatrixCamera.java b/src/ru/olamedia/camera/MatrixCamera.java new file mode 100644 index 0000000..de37fc8 --- /dev/null +++ b/src/ru/olamedia/camera/MatrixCamera.java @@ -0,0 +1,545 @@ +package ru.olamedia.camera; + +import javax.media.opengl.GL2; +import javax.media.opengl.GLAutoDrawable; +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 ru.olamedia.olacraft.render.jogl.PlaneRenderer; +import ru.olamedia.olacraft.render.jogl.VectorRenderer; + +import com.jogamp.newt.event.KeyEvent; + +public class MatrixCamera { + protected float fov = 90f; + protected float aspect = 1f; + protected float zNear = 0.1f; + protected float zFar = 1000f; + private boolean isPitchLocked = true; + private float minPitch = -80f; + private float maxPitch = 80f; + public Frustum frustum = new Frustum(); + + private Vector3f position = new Vector3f(); + 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)); + } + + public void pack() { + if (isAttachedToCameraman) { + position.x = cameraman.getCameraX(); + position.y = cameraman.getCameraY(); + position.z = cameraman.getCameraZ(); + } + + 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; + + private void packFrustum() { + float nearD = zNear + (isFrustumVisible ? 0.2f : 0);// zNear; + float farD = zFar - (isFrustumVisible ? 1f : 0);// zFar; + ru.olamedia.math.Vector3f eye = new ru.olamedia.math.Vector3f(position.getX(), position.getY(), position.getZ()); + ru.olamedia.math.Vector3f eyef = eye;// .translate(look, 1f); + nearc = eyef.translate(look, nearD); + ru.olamedia.math.Vector3f farc = eyef.translate(look, farD); + final float tang = FastMath.tan(FastMath.toRad(fov) / 2.0f); + float nh = nearD * tang * (isFrustumVisible ? 0.3f : 1);// zNear * tang; + float nw = nh * aspect * aspect; + float fh = farD * tang * (isFrustumVisible ? 0.5f : 1);// zNear * tang; + float fw = fh * aspect * aspect; + ru.olamedia.math.Vector3f nrb = nearc.translate(right, -nw / 2).translate(up, -nh / 2); + ru.olamedia.math.Vector3f nlb = nearc.translate(right, nw / 2).translate(up, -nh / 2); + @SuppressWarnings("unused") + ru.olamedia.math.Vector3f nrt = nearc.translate(right, -nw / 2).translate(up, nh / 2); + ru.olamedia.math.Vector3f nlt = nearc.translate(right, nw / 2).translate(up, nh / 2); + ru.olamedia.math.Vector3f frb = farc.translate(right, -fw / 2).translate(up, -fh / 2); + ru.olamedia.math.Vector3f flb = farc.translate(right, fw / 2).translate(up, -fh / 2); + ru.olamedia.math.Vector3f frt = farc.translate(right, -fw / 2).translate(up, fh / 2); + ru.olamedia.math.Vector3f flt = farc.translate(right, fw / 2).translate(up, fh / 2); + + frustum.leftPlane.set3Points(nlb, flb, flt); + frustum.leftPlane.n.negate(); + frustum.rightPlane.set3Points(nrb, frt, frb); + // frustum.rightPlane.n.negate(); + frustum.topPlane.set3Points(nlb, frb, flb);// nlt, frt, flt); + // frustum.topPlane.n.negate(); + frustum.bottomPlane.set3Points(frt, nlt, flt); + // frustum.bottomPlane.n.negate(); + frustum.nearPlane.set3Points(nlb, nlt, nrb); + 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); + } + + private void loadViewMatrix(GLAutoDrawable drawable) { + GL2 gl = drawable.getGL().getGL2(); + gl.glMatrixMode(GL2.GL_MODELVIEW); + gl.glLoadTransposeMatrixf(matrixToArray(viewMatrix), 0); + } + + private void loadProjectionMatrix(GLAutoDrawable drawable) { + GL2 gl = drawable.getGL().getGL2(); + gl.glMatrixMode(GL2.GL_PROJECTION); + gl.glLoadTransposeMatrixf(matrixToArray(projectionMatrix), 0); + } + + 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); + } + + private void translatePoint(Vector3f point, Vector3f direction, float delta) { + point.x += direction.x * delta; + point.y += direction.y * delta; + point.z += direction.z * delta; + } + + private void translate(Vector3f direction, float delta) { + translatePoint(position, direction, delta); + } + + private void translate(float dx, float dy, float dz) { + translate(right, dx); + translate(up, dy); + 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(); + } + + public void captureControls() { + Keyboard.setName("flyForward", KeyEvent.VK_W); + Keyboard.setName("flyBack", KeyEvent.VK_S); + Keyboard.setName("strafeLeft", KeyEvent.VK_A); + Keyboard.setName("strafeRight", KeyEvent.VK_D); + Keyboard.setName("flyUp", KeyEvent.VK_SPACE); + Keyboard.setName("flyDown", KeyEvent.VK_SHIFT); + } + + public void mouseMoved(float dx, float dy) { + yaw += -dx; + pitch += -dy; + yaw = yaw % 360; + pitch = pitch % 360; + } + + public void updateMouse() { + if (isPitchLocked) { + if (pitch < minPitch) { + pitch = minPitch; + } else if (pitch > maxPitch) { + pitch = maxPitch; + } + } + pack(); + } + + public void lockPitch(float min, float max) { + this.minPitch = min; + this.maxPitch = max; + isPitchLocked = true; + } + + public void unlockPitch() { + isPitchLocked = false; + } + + public void updateKeyboard() { + if (isAttachedToCameraman) { + this.cameraman.update(Game.instance.getDelta()); + return; + } + // --- Keyboard + int left = Keyboard.isKeyDown("strafeLeft") ? 1 : 0; + int right = Keyboard.isKeyDown("strafeRight") ? 1 : 0; + int up = Keyboard.isKeyDown("flyForward") ? 1 : 0; + int down = Keyboard.isKeyDown("flyBack") ? 1 : 0; + int flyUp = Keyboard.isKeyDown("flyUp") ? 1 : 0; + int flyDown = Keyboard.isKeyDown("flyDown") ? 1 : 0; + float distance = 4f * 4.5f * Game.instance.getDelta(); // runspeed, m/s + if (up + down + right + left + flyDown + flyUp > 0) { + translate(// + right * distance - left * distance,// + (isAttachedToCameraman ? 0 : flyUp * distance - flyDown * distance),// + up * distance - down * distance// + ); + pack(); + // System.out.println("Moving... " + position.getX() + " " + // + position.getY() + " " + position.getZ()); + } + } + + protected Cameraman cameraman = null; + protected boolean isAttachedToCameraman = false; + protected float distanceFromCameraman = 0; // third-person view / 0 for + protected boolean lookToCameraman = false; // back/front third-person view + + /** + * @return the fov + */ + public float getFov() { + return fov; + } + + /** + * @param fov + * the fov to set + */ + public void setFov(float fov) { + this.fov = fov; + } + + /** + * @return the aspect + */ + public float getAspect() { + return aspect; + } + + /** + * @param aspect + * the aspect to set + */ + public void setAspect(float aspect) { + this.aspect = aspect; + } + + /** + * @return the zNear + */ + public float getzNear() { + return zNear; + } + + /** + * @param zNear + * the zNear to set + */ + public void setzNear(float zNear) { + this.zNear = zNear; + } + + /** + * @return the zFar + */ + public float getzFar() { + return zFar; + } + + /** + * @param zFar + * the zFar to set + */ + public void setzFar(float zFar) { + this.zFar = zFar; + } + + /** + * @return the yaw + */ + public float getYaw() { + return yaw; + } + + /** + * @param yaw + * the yaw to set + */ + public void setYaw(float yaw) { + this.yaw = yaw; + } + + /** + * @return the pitch + */ + public float getPitch() { + return pitch; + } + + /** + * @param pitch + * the pitch to set + */ + public void setPitch(float pitch) { + this.pitch = pitch; + } + + /** + * @return the cameraman + */ + public Cameraman getCameraman() { + return cameraman; + } + + /** + * @param cameraman + * the cameraman to set + */ + public void setCameraman(Cameraman cameraman) { + this.cameraman = cameraman; + } + + /** + * @return the isAttachedToCameraman + */ + public boolean isAttachedToCameraman() { + return isAttachedToCameraman; + } + + /** + * @param isAttachedToCameraman + * the isAttachedToCameraman to set + */ + public void setAttachedToCameraman(boolean isAttachedToCameraman) { + this.isAttachedToCameraman = isAttachedToCameraman; + } + + /** + * @return the distanceFromCameraman + */ + public float getDistanceFromCameraman() { + return distanceFromCameraman; + } + + /** + * @param distanceFromCameraman + * the distanceFromCameraman to set + */ + public void setDistanceFromCameraman(float distanceFromCameraman) { + this.distanceFromCameraman = distanceFromCameraman; + } + + /** + * @return the lookToCameraman + */ + public boolean isLookToCameraman() { + return lookToCameraman; + } + + /** + * @param lookToCameraman + * the lookToCameraman to set + */ + public void setLookToCameraman(boolean lookToCameraman) { + this.lookToCameraman = lookToCameraman; + } + + public void setX(float x) { + position.x = x; + } + + public void setY(float y) { + position.y = y; + } + + public void setZ(float z) { + position.z = z; + } + + public float getX() { + return position.x; + } + + public float getY() { + return position.y; + } + + public float getZ() { + return position.z; + } + + public float[] getViewMatrixArray() { + return matrixToArray(viewMatrix); + } + + public float[] getProjectionMatrixArray() { + return matrixToArray(viewMatrix); + } + + public float getRoll() { + return roll; + } + + public void attachTo(Cameraman player) { + this.cameraman = player; + this.isAttachedToCameraman = true; + this.cameraman.captureControls(); + } + + public void detach() { + this.isAttachedToCameraman = false; + this.captureControls(); + } + + /** + * @return the look + */ + public Vector3f getLook() { + return look; + } + + /** + * @return the right + */ + public Vector3f getRight() { + return right; + } + + /** + * @return the up + */ + public Vector3f getUp() { + return up; + } + +} diff --git a/src/ru/olamedia/camera/package-info.java b/src/ru/olamedia/camera/package-info.java new file mode 100644 index 0000000..7a19b7f --- /dev/null +++ b/src/ru/olamedia/camera/package-info.java @@ -0,0 +1,8 @@ +/** + * + */ +/** + * @author olamedia + * + */ +package ru.olamedia.camera;
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