public static void main(String[] args) {
Point3D p1 = new Point3D(0.0, 0.0, 0.0);
Point3D p2 = new Point3D(4.0, 4.0, 4.0);
Line3D l1 = new Line3D(p1, p2);
Point3D p3 = new Point3D(0.0, 4.0, 4.0);
Point3D p4 = new Point3D(4.0, 0.0, 0.0);
Line3D l2 = new Line3D(p3, p4);
System.out.println("p1: " + p1);
System.out.println("p2: " + p2);
System.out.println("l1: " + l1);
System.out.println("l1.intersection(p2): " + l1.intersection(p2));
System.out.println("p2.intersection(l1): " + p2.intersection(l1));
System.out.println("l2: " + l2);
System.out.println("l2.intersection(l1): " + l2.intersection(l1));
System.out.println("l1.intersection(l2): " + l1.intersection(l2));
System.out.println("Object3D c1 = l1.union(l2)");
Object3D c1 = l1.union(l2);
System.out.println("c1: \n" + c1.toString());
System.out.println("p1.union(p4): \n" + p1.union(p4));
System.out.println("c1.intersection(p1.union(p4))");
System.out.println(c1.intersection(p1.union(p4)));
System.out.println("c1.union(p3):\n" + c1.union(p3));
}
public void load(DataInputStream dis) throws IOException {
dis.readInt(); // name length
this.name = dis.readUTF();
dis.readInt(); // map_kdLength
this.map_kd = dis.readUTF();
if (parent.hasTexcoords() && map_kd.length() > 0) {
parent.loadTexture(map_kd);
}
this.ka[0] = dis.readFloat();
this.ka[1] = dis.readFloat();
this.ka[2] = dis.readFloat();
this.ka[3] = dis.readFloat();
this.kd[0] = dis.readFloat();
this.kd[1] = dis.readFloat();
this.kd[2] = dis.readFloat();
this.kd[3] = dis.readFloat();
this.ks[0] = dis.readFloat();
this.ks[1] = dis.readFloat();
this.ks[2] = dis.readFloat();
this.ks[3] = dis.readFloat();
this.ns = dis.readFloat();
this.illum = dis.readInt();
this.d = dis.readFloat();
}
// rotate the camera
public void rotateCam(Quaternion q) {
for (int i = 0; i < solids.size(); i++) {
Object3D obj = solids.get(i);
obj.rotate(q, new Vector(100.0f, 0.0f, 1500.0f));
}
rotateLights(q);
}
// draw solids of a scene
public void drawScene(String drawType) {
PA4.clearPixelBuffer();
for (int i = 0; i < solids.size(); i++) {
Object3D obj = solids.get(i);
obj.draw(lights, view_vector, drawType);
}
}
public void process(long ticks, Level level) {
super.process(ticks, level);
if (shield.getVisibility()) {
shield.rotateY((float) ticks * 0.3f);
// shield.setScale(1+(float)Math.sin(shield.getZAxis().x)/6f);
}
}
public void setToLocalObject(LocalObject lo) {
super.setToLocalObject(lo);
if (lo.isInvincible() && !shield.getVisibility()) {
shield.setVisibility(true);
} else {
if (!lo.isInvincible()) {
shield.setVisibility(false);
}
}
}
public void onDrawFrame(GL10 gl) {
// Clears the screen and depth buffer.
gl.glClear(GL10.GL_COLOR_BUFFER_BIT | GL10.GL_DEPTH_BUFFER_BIT);
gl.glLoadIdentity();
camera1.look();
fog.draw(gl);
switch ((setLights / 10) % 3) {
case 0:
light4.disable();
light0.enable();
light3.enable();
light0.setPosition();
light3.setPosition();
break;
case 1:
light0.disable();
light3.enable();
light4.enable();
light3.setPosition();
light4.setPosition();
break;
case 2:
light3.disable();
light0.enable();
light4.enable();
light0.setPosition();
light4.setPosition();
break;
default:
break;
}
setLights++;
gl.glColor4f(0.0f, 1.0f, 0.0f, 0.0f);
gl.glPushMatrix();
gl.glRotatef(-90.0f - angle, 0.0f, 1.0f, 0.0f);
winter.draw(gl);
light1.setPosition();
light2.setPosition();
gl.glTranslatef(-7.0f, 20.0f, 0.0f);
sphere.draw(gl);
gl.glPopMatrix();
gl.glPushMatrix();
particles.draw(gl);
gl.glPopMatrix();
}
/** Show texture or not? */
public void flipTexturing() {
enableTexture = !enableTexture;
Object3D ob = _objects[this._currentObject];
if (enableTexture && !ob.hasTexture()) {
// Create a toast notification signifying that there is no texture associated with this object
CharSequence text = "Object does not have associated texture";
int duration = Toast.LENGTH_SHORT;
Toast toast = Toast.makeText(mContext, text, duration);
toast.show();
}
// this.toggleTexturing();
}
public void init(Map<String, String> attributes) {
super.init(attributes);
mesh = new ArrayList<Triangle>();
for (String attribute : attributes.keySet()) {
if (attribute.startsWith("tri")) {
String[] triangleValues = attributes.get(attribute).split("\\s+");
if (triangleValues.length != 9) {
throw new IllegalArgumentException(
"Triangle must have 9 values representing 3 3d points!");
}
Point3D[] tri = new Point3D[3];
tri[0] =
new Point3D(
Double.parseDouble(triangleValues[0]),
Double.parseDouble(triangleValues[1]),
Double.parseDouble(triangleValues[2]));
tri[1] =
new Point3D(
Double.parseDouble(triangleValues[3]),
Double.parseDouble(triangleValues[4]),
Double.parseDouble(triangleValues[5]));
tri[2] =
new Point3D(
Double.parseDouble(triangleValues[6]),
Double.parseDouble(triangleValues[7]),
Double.parseDouble(triangleValues[8]));
mesh.add(new Triangle(tri, this.material));
}
}
}
public void init(GLAutoDrawable drawable) {
drawable.setGL(new DebugGL2(drawable.getGL().getGL2()));
final GL2 gl = drawable.getGL().getGL2();
// drawable.getGL().getGL2();
gl.glViewport(0, 0, SCREENW, SCREENH);
// Clear color buffer with black
// gl.glClearColor(1.0f, 0.5f, 1.0f, 1.0f);
gl.glClearColor(.0f, .0f, .0f, 1.0f);
gl.glClearDepth(1.0f);
gl.glClear(GL.GL_COLOR_BUFFER_BIT | GL.GL_DEPTH_BUFFER_BIT);
gl.glEnable(GL2.GL_DEPTH_TEST);
gl.glPixelStorei(GL.GL_UNPACK_ALIGNMENT, 1);
gl.glCreateShader(GL2GL3.GL_VERTEX_SHADER);
shader.init(gl);
int programName = shader.getID();
gl.glBindAttribLocation(programName, Object3D.VERTEXPOSITION, "inposition");
gl.glBindAttribLocation(programName, Object3D.VERTEXCOLOR, "incolor");
gl.glBindAttribLocation(programName, Object3D.VERTEXNORMAL, "innormal");
gl.glBindAttribLocation(programName, Object3D.VERTEXTEXCOORD0, "intexcoord0");
shader.link(gl);
uniformMat = gl.glGetUniformLocation(programName, "mat");
uniformLight = gl.glGetUniformLocation(programName, "lightdir");
gl.glUseProgram(programName);
gl.glUniform3f(uniformLight, 0f, 10f, -10f);
obj.init(gl, mats, programName);
gl.glUseProgram(0);
}
/** Sets up texturing for the object */
private void setupTextures(Object3D ob) {
// create new texture ids if object has them
if (ob.hasTexture()) {
// number of textures
int[] texIDs = ob.get_texID();
int[] textures = new int[texIDs.length];
_texIDs = new int[texIDs.length];
// texture file ids
int[] texFiles = ob.getTexFile();
Log.d("TEXFILES LENGTH: ", texFiles.length + "");
GLES20.glGenTextures(texIDs.length, textures, 0);
for (int i = 0; i < texIDs.length; i++) {
texIDs[i] = textures[i];
GLES20.glBindTexture(GLES20.GL_TEXTURE_2D, texIDs[i]);
// parameters
GLES20.glTexParameterf(
GLES20.GL_TEXTURE_2D, GLES20.GL_TEXTURE_MIN_FILTER, GLES20.GL_NEAREST);
GLES20.glTexParameterf(
GLES20.GL_TEXTURE_2D, GLES20.GL_TEXTURE_MAG_FILTER, GLES20.GL_LINEAR);
GLES20.glTexParameteri(GLES20.GL_TEXTURE_2D, GLES20.GL_TEXTURE_WRAP_S, GLES20.GL_REPEAT);
GLES20.glTexParameteri(GLES20.GL_TEXTURE_2D, GLES20.GL_TEXTURE_WRAP_T, GLES20.GL_REPEAT);
InputStream is = mContext.getResources().openRawResource(texFiles[i]);
Bitmap bitmap;
try {
bitmap = BitmapFactory.decodeStream(is);
} finally {
try {
is.close();
} catch (IOException e) {
// Ignore.
}
}
// create it
GLUtils.texImage2D(GLES20.GL_TEXTURE_2D, 0, bitmap, 0);
bitmap.recycle();
Log.d("ATTACHING TEXTURES: ", "Attached " + i);
}
}
}
static {
// static initializer that creates a mesh blueprint and loads the
// textures.
try {
SimpleStream ss = new SimpleStream("data/weapon.jpg");
TextureManager.getInstance().addTexture("weapon", new Texture(ss.getStream()));
ss.close();
ss = new SimpleStream("data/snork.md2");
bluePrint = new ClientObject(Loader.loadMD2(ss.getStream(), 0.22f)); // 0.32f
bluePrint.translate(0, 4.5f, 0);
bluePrint.translateMesh();
bluePrint.getTranslationMatrix().setIdentity();
bluePrint.translate(100000, 100000, 100000);
sphereBluePrint = Primitives.getSphere(9, 6);
sphereBluePrint.build();
sphereBluePrint.setTexture("shield");
sphereBluePrint.calcTextureWrapSpherical();
ss.close();
} catch (Exception e) {
e.printStackTrace();
}
}
public void hitByExplosion(
CollisionParticipant source, LocalObject obj, DecalManager decal, CollisionEvent ce) {
if (shield.getVisibility()) {
// If the shield is visible, we are invincible...
return;
}
Event event = new Event(Event.EXPLOSION_HIT, -99, obj.getObjectID(), obj.getClientID());
source.getEventQueue().add(event);
}
private void createShieldMesh() {
shield = new Object3D(sphereBluePrint);
shield.setVisibility(false);
shield.setMesh(sphereBluePrint.getMesh());
shield.build();
shield.translate(0, 4.5f, 0);
shield.setTransparency(7);
shield.setTransparencyMode(Object3D.TRANSPARENCY_MODE_ADD);
if (Globals.compiledObjects) {
shield.compile();
}
addChildToSuper(shield);
}
private static void loadObject3D(Object3D object) throws IOException {
object.setUserID(readInt());
int animationTracks = readInt();
for (int i = 0; i < animationTracks; ++i)
readInt(); // object.addAnimationTrack((AnimationTrack)getObject(readInt()));
int userParameterCount = readInt();
for (int i = 0; i < userParameterCount; ++i) {
int parameterID = readInt();
int numBytes = readInt();
byte[] parameterBytes = new byte[numBytes];
dis.readFully(parameterBytes);
}
}
public void display(GLAutoDrawable drawable) {
final GL2 gl = drawable.getGL().getGL2();
gl.glClear(GL.GL_COLOR_BUFFER_BIT | GL.GL_DEPTH_BUFFER_BIT);
mats.glMatrixMode(GL2.GL_MODELVIEW);
mats.glLoadIdentity();
mats.glTranslatef(0f, 0f, -2.0f);
// t = t+0.5f;
t = 40f;
mats.glRotatef(t, 0f, 1f, 0f);
mats.glMatrixMode(GL2.GL_PROJECTION);
mats.glLoadIdentity();
mats.glFrustumf(-1f, 1f, -1f, 1f, 1f, 100f);
mats.update();
gl.glUseProgram(shader.getID());
gl.glUniformMatrix4fv(uniformMat, 3, false, mats.glGetPMvMviMatrixf());
obj.display(gl, mats);
gl.glFlush();
gl.glUseProgram(0);
}
/** @see Object3D#union(Object3D) */
public Object3D union(Object3D space) {
if (this.isContained(space)) return this;
if (space.isContained(this)) return space;
if (space instanceof Line3D) {
/*
* Try to avoid construction of an Object3DCombined.
* If grade and offset in xz and xy area are matching and both lines
* have a common x-range just create a longer Line3D.
*/
Line3D other = (Line3D) space;
if ((other.gradeY == this.gradeY)
&& (other.gradeZ == this.gradeZ)
&& (other.offsetY == this.offsetY)
&& (other.offsetZ == this.offsetZ)) {
if ((this.start.x <= other.start.x) && (this.end.x >= other.start.x)) {
return new Line3D(this.start, other.end);
}
if ((this.start.x <= other.end.x) && (this.end.x >= other.end.x)) {
return new Line3D(other.start, this.end);
}
}
}
return new Object3DCombined(this).union(space);
}
// rotate the selected objects
public void rotateObject(Quaternion q) {
Object3D obj = solids.get(selectedObjIndex);
obj.rotate(q, obj.getCenter());
}
static {
try {
SimpleStream ss = new SimpleStream("data/crate.3ds");
bluePrint = new ClientObject(Loader.load3DS(ss.getStream(), 0.09f)[0]);
ss.close();
bluePrint.translate(0, -4.3f, -5);
bluePrint.translateMesh();
bluePrint.getTranslationMatrix().setIdentity();
TextureInfo ti = null;
if (!Globals.normalMapping) {
bluePrint.setTexture("crate");
} else {
ti = new TextureInfo(TextureManager.getInstance().getTextureID("crate"));
ti.add(
TextureManager.getInstance().getTextureID("cratenormals"), TextureInfo.MODE_MODULATE);
bluePrint.setTexture(ti);
}
bluePrint.getMesh().compress();
bluePrint.build();
Object3D child = null;
Animation anim = new Animation(6);
anim.setClampingMode(Animation.USE_CLAMPING);
anim.createSubSequence("explosion");
Loader.setVertexOptimization(false);
for (int i = 1; i < 6; i++) {
String name = "data/crate" + i + ".3ds";
ss = new SimpleStream(name);
Object3D obj = Loader.load3DS(ss.getStream(), 4.4050189f)[0];
ss.close();
obj.translate(0, -5f, -0.6f);
obj.translateMesh();
obj.getTranslationMatrix().setIdentity();
if (!Globals.normalMapping) {
obj.setTexture("crate");
} else {
obj.setTexture(ti);
}
obj.build();
if (i == 1) {
child = obj;
child.setMesh(child.getMesh().cloneMesh(true));
}
obj.getMesh().compress();
anim.addKeyFrame(obj.getMesh());
}
child.setAnimationSequence(anim);
Loader.setVertexOptimization(true);
childBluePrint = child;
/*
* for (int i=0; i<child.getMesh().getBoundingBox().length; i++) {
* System.out.print(child.getMesh().getBoundingBox()[i]);
* System.out.println("="+bluePrint.getMesh().getBoundingBox()[i]);
* }
*/
} catch (Exception e) {
e.printStackTrace();
}
}
// translate the select objects
public void translateObject(int x, int y, int z) {
Object3D obj = solids.get(selectedObjIndex);
obj.translate(x, y, z);
translateView(-x, -y, -z);
}
/**
* Places the car. The car has to follow the ground. This is done by casting 4 rays (one from each
* wheel) to the ground and calculating the resulting rotation angles to let the car follow the
* ground as close as possible.
*
* @param ground the ground
* @return if it was possible to place the car or not
*/
public boolean place(Object3D ground) {
SimpleVector dropDown = new SimpleVector(0, 1, 0);
/**
* To cast the rays, the car will be rotated in horizontal position first, rotated around the
* y-axis according to the cars direction and moved 10 units up.
*/
Matrix rotMat = getRotationMatrix();
rotMat.setIdentity();
setRotationMatrix(rotMat);
rotateY(yRot);
translate(0, -10, 0);
/** Cast the rays... */
float rightFrontHeight =
ground.calcMinDistance(rightFront.getTransformedCenter(), dropDown, 4 * 30);
float rightRearHeight =
ground.calcMinDistance(rightRear.getTransformedCenter(), dropDown, 4 * 30);
float leftFrontHeight =
ground.calcMinDistance(leftFront.getTransformedCenter(), dropDown, 4 * 30);
float leftRearHeight =
ground.calcMinDistance(leftRear.getTransformedCenter(), dropDown, 4 * 30);
/** Correct the movement we did above. */
translate(0, 10, 0);
/** Reset the rotation matrix again. */
rotMat = getRotationMatrix();
rotMat.setIdentity();
setRotationMatrix(rotMat);
/** The rays all hit the ground, the car can be placed */
if (rightFrontHeight != Object3D.COLLISION_NONE
&& rightRearHeight != Object3D.COLLISION_NONE
&& leftFrontHeight != Object3D.COLLISION_NONE
&& leftRearHeight != Object3D.COLLISION_NONE) {
/** Correct the values (see translation above) */
rightFrontHeight -= 10;
rightRearHeight -= 10;
leftFrontHeight -= 10;
leftRearHeight -= 10;
/**
* Calculate the angles between the wheels and the ground. This is done four times: for the
* front and the rear as well as for left and right. Front/rear and left/right are averaged
* afterwards.
*/
double angleFront = rightFrontHeight - leftFrontHeight;
double as = (angleFront / (16d));
angleFront = Math.atan(as);
double angleRear = rightRearHeight - leftRearHeight;
as = (angleRear / (16d));
angleRear = Math.atan(as);
float rot = (float) ((angleFront + angleRear) / 2d);
rotateZ(rot);
double angleLeft = leftFrontHeight - leftRearHeight;
as = (angleLeft / (16d));
angleLeft = Math.atan(as);
double angleRight = rightFrontHeight - rightRearHeight;
as = (angleRight / (16d));
angleRight = Math.atan(as);
rot = (float) ((angleLeft + angleRight) / 2d);
rotateX(rot);
/**
* The car is correctly rotated now. But we still have to adjust the height. We are simply
* taking the minimum distance from all wheels to the ground as the new height.
*/
float down = rightFrontHeight;
if (leftFrontHeight < down) {
down = leftFrontHeight;
}
if (rightRearHeight < down) {
down = rightRearHeight;
}
if (leftRearHeight < down) {
down = leftRearHeight;
}
dropDown.scalarMul(down - 4);
translate(dropDown);
} else {
return false;
}
/** And finally, rotate the car around Y (that's the car's direction) */
rotateY(yRot);
return true;
}
public Car() {
/**
* The car's "body" is this instance itself. That may seem a bit strange at first glance, but
* it's quite convenient in this case.
*/
super(Primitives.getBox(8, 0.25f));
rightFront = Primitives.getSphere(5, 4);
leftFront = Primitives.getSphere(5, 4);
rightRear = Primitives.getSphere(5, 4);
leftRear = Primitives.getSphere(5, 4);
/** The wheels are parts, i.e. children of the car */
addChild(rightFront);
addChild(leftFront);
addChild(rightRear);
addChild(leftRear);
/** Initialize the car and the wheels */
setTexture("car");
rightFront.setTexture("car");
leftFront.setTexture("car");
rightRear.setTexture("car");
leftRear.setTexture("car");
setEnvmapped(Object3D.ENVMAP_ENABLED);
rightFront.setEnvmapped(Object3D.ENVMAP_ENABLED);
leftFront.setEnvmapped(Object3D.ENVMAP_ENABLED);
rightRear.setEnvmapped(Object3D.ENVMAP_ENABLED);
leftRear.setEnvmapped(Object3D.ENVMAP_ENABLED);
/** We need to offset the wheels a little... */
rightFront.translate(new SimpleVector(-8, 4, 8));
rightRear.translate(new SimpleVector(-8, 4, -8));
leftFront.translate(new SimpleVector(8, 4, 8));
leftRear.translate(new SimpleVector(8, 4, -8));
rightFront.translateMesh();
rightRear.translateMesh();
leftFront.translateMesh();
leftRear.translateMesh();
rightFront.setTranslationMatrix(new Matrix());
rightRear.setTranslationMatrix(new Matrix());
leftFront.setTranslationMatrix(new Matrix());
leftRear.setTranslationMatrix(new Matrix());
/** ...the wheels are now in place. We can now build the car. */
build();
rightRear.build();
rightFront.build();
leftRear.build();
leftFront.build();
}
private void drawCar(int program, float[] startPos) {
Matrix.setIdentityM(mMMatrix, 0);
Matrix.setIdentityM(mTransMatrix, 0);
// Képernyõ Y tengely
if (Math.abs(mDY) < 2) mDY = 0;
if (Math.abs(mDY) <= 250) {
accelY = -1 * mDY * 2;
} else {
if (mDY < 0) mDY = -250f;
if (mDY > 0) mDY = 250f;
}
distanceY += accelY;
Log.d("mDY:", String.valueOf(mDY));
// Képernyõ X tengely
if (Math.abs(mDX) < 2) mDX = 0;
float[] forward = {(float) Math.cos(mDX / 50), 0.0f, (float) Math.sin(mDX / 50)};
// lookAt
lookAt[0] = eyePos[0] + 25 * forward[0];
lookAt[1] = eyePos[1] + 25 * forward[1];
lookAt[2] = eyePos[2] + 25 * forward[2];
// eyePos
eyePos[0] = 0.0f + distanceY / 1000 * forward[0];
eyePos[2] = 25.0f + distanceY / 1000 * forward[2];
Matrix.setLookAtM(
mVMatrix, 0, eyePos[0], eyePos[1], eyePos[2], lookAt[0], lookAt[1], lookAt[2], 0.0f, 1.0f,
0.0f);
// Kormányzás
startPos[0] = eyePos[0] + 5 * forward[0];
startPos[2] = eyePos[2] + 5 * forward[2];
Matrix.translateM(mTransMatrix, 0, startPos[0], startPos[1], startPos[2]);
Matrix.multiplyMM(mMMatrix, 0, mMMatrix, 0, mTransMatrix, 0); // Translate
Matrix.multiplyMM(mMVPMatrix, 0, mVMatrix, 0, mMMatrix, 0); // View
Matrix.multiplyMM(mMVPMatrix, 0, mProjMatrix, 0, mMVPMatrix, 0); // Proj
// send to the shader
GLES20.glUniformMatrix4fv(
GLES20.glGetUniformLocation(program, "uMVPMatrix"), 1, false, mMVPMatrix, 0);
// Create the normal modelview matrix
// Invert + transpose of mvpmatrix
Matrix.invertM(normalMatrix, 0, mMVPMatrix, 0);
Matrix.transposeM(normalMatrix, 0, normalMatrix, 0);
// send to the shader
GLES20.glUniformMatrix4fv(
GLES20.glGetUniformLocation(program, "normalMatrix"), 1, false, mMVPMatrix, 0);
/** * DRAWING OBJECT * */
// Get buffers from mesh
Object3D ob = this._objects[this.CUBE];
Mesh mesh = ob.getMesh();
FloatBuffer _vb = mesh.get_vb();
ShortBuffer _ib = mesh.get_ib();
short[] _indices = mesh.get_indices();
// Vertex buffer
// the vertex coordinates
_vb.position(TRIANGLE_VERTICES_DATA_POS_OFFSET);
GLES20.glVertexAttribPointer(
GLES20.glGetAttribLocation(program, "aPosition"),
3,
GLES20.GL_FLOAT,
false,
TRIANGLE_VERTICES_DATA_STRIDE_BYTES,
_vb);
GLES20.glEnableVertexAttribArray(GLES20.glGetAttribLocation(program, "aPosition"));
// the normal info
_vb.position(TRIANGLE_VERTICES_DATA_NOR_OFFSET);
GLES20.glVertexAttribPointer(
GLES20.glGetAttribLocation(program, "aNormal"),
3,
GLES20.GL_FLOAT,
false,
TRIANGLE_VERTICES_DATA_STRIDE_BYTES,
_vb);
GLES20.glEnableVertexAttribArray(GLES20.glGetAttribLocation(program, "aNormal"));
// Texture info
// bind textures
if (ob.hasTexture()) { // && enableTexture) {
// number of textures
int[] texIDs = ob.get_texID();
for (int i = 0; i < _texIDs.length; i++) {
GLES20.glActiveTexture(GLES20.GL_TEXTURE0 + i);
// Log.d("TEXTURE BIND: ", i + " " + texIDs[i]);
GLES20.glBindTexture(GLES20.GL_TEXTURE_2D, texIDs[i]);
GLES20.glUniform1i(GLES20.glGetUniformLocation(program, "texture" + (i + 1)), i);
}
}
// enable texturing? [fix - sending float is waste]
GLES20.glUniform1f(
GLES20.glGetUniformLocation(program, "hasTexture") /*shader.hasTextureHandle*/,
ob.hasTexture() && enableTexture ? 2.0f : 0.0f);
// texture coordinates
_vb.position(TRIANGLE_VERTICES_DATA_TEX_OFFSET);
GLES20.glVertexAttribPointer(
GLES20.glGetAttribLocation(program, "textureCoord") /*shader.maTextureHandle*/,
2,
GLES20.GL_FLOAT,
false,
TRIANGLE_VERTICES_DATA_STRIDE_BYTES,
_vb);
GLES20.glEnableVertexAttribArray(
GLES20.glGetAttribLocation(
program, "textureCoord")); // GLES20.glEnableVertexAttribArray(shader.maTextureHandle);
// Draw with indices
GLES20.glDrawElements(GLES20.GL_TRIANGLES, _indices.length, GLES20.GL_UNSIGNED_SHORT, _ib);
checkGlError("glDrawElements");
/** END DRAWING OBJECT ** */
}
private void drawRoad(int program) {
Matrix.setIdentityM(mMMatrix, 0);
Matrix.multiplyMM(mMVPMatrix, 0, mVMatrix, 0, mMMatrix, 0); // View
Matrix.multiplyMM(mMVPMatrix, 0, mProjMatrix, 0, mMVPMatrix, 0); // Proj
// send to the shader
GLES20.glUniformMatrix4fv(
GLES20.glGetUniformLocation(program, "uMVPMatrix"), 1, false, mMVPMatrix, 0);
// Create the normal modelview matrix
// Invert + transpose of mvpmatrix
Matrix.invertM(normalMatrix, 0, mMVPMatrix, 0);
Matrix.transposeM(normalMatrix, 0, normalMatrix, 0);
// send to the shader
GLES20.glUniformMatrix4fv(
GLES20.glGetUniformLocation(program, "normalMatrix"), 1, false, mMVPMatrix, 0);
/** * DRAWING OBJECT * */
// Get buffers from mesh
Object3D ob = this._objects[this.ROAD];
Mesh mesh = ob.getMesh();
FloatBuffer _vb = mesh.get_vb();
ShortBuffer _ib = mesh.get_ib();
short[] _indices = mesh.get_indices();
/*float[] myVertices = {
-20, 0, -20,
-20f, 0, 20,
20, 0, -20,
20, 0, 20
};
_vb = ByteBuffer.allocateDirect(myVertices.length
* FLOAT_SIZE_BYTES).order(ByteOrder.nativeOrder()).asFloatBuffer();
_vb.put(myVertices);*/
// Vertex buffer
// the vertex coordinates
_vb.position(TRIANGLE_VERTICES_DATA_POS_OFFSET);
GLES20.glVertexAttribPointer(
GLES20.glGetAttribLocation(program, "aPosition"),
3,
GLES20.GL_FLOAT,
false,
TRIANGLE_VERTICES_DATA_STRIDE_BYTES,
_vb);
GLES20.glEnableVertexAttribArray(GLES20.glGetAttribLocation(program, "aPosition"));
// the normal info
_vb.position(TRIANGLE_VERTICES_DATA_NOR_OFFSET);
GLES20.glVertexAttribPointer(
GLES20.glGetAttribLocation(program, "aNormal"),
3,
GLES20.GL_FLOAT,
false,
TRIANGLE_VERTICES_DATA_STRIDE_BYTES,
_vb);
GLES20.glEnableVertexAttribArray(GLES20.glGetAttribLocation(program, "aNormal"));
// Texture info
// bind textures
if (ob.hasTexture()) { // && enableTexture) {
// number of textures
int[] texIDs = ob.get_texID();
for (int i = 0; i < _texIDs.length; i++) {
GLES20.glActiveTexture(GLES20.GL_TEXTURE0 + i);
// Log.d("TEXTURE BIND: ", i + " " + texIDs[i]);
GLES20.glBindTexture(GLES20.GL_TEXTURE_2D, texIDs[i]);
GLES20.glUniform1i(GLES20.glGetUniformLocation(program, "texture" + (i + 1)), i);
}
}
// enable texturing? [fix - sending float is waste]
GLES20.glUniform1f(
GLES20.glGetUniformLocation(program, "hasTexture") /*shader.hasTextureHandle*/,
ob.hasTexture() && enableTexture ? 2.0f : 0.0f);
// texture coordinates
_vb.position(TRIANGLE_VERTICES_DATA_TEX_OFFSET);
GLES20.glVertexAttribPointer(
GLES20.glGetAttribLocation(program, "textureCoord") /*shader.maTextureHandle*/,
2,
GLES20.GL_FLOAT,
false,
TRIANGLE_VERTICES_DATA_STRIDE_BYTES,
_vb);
GLES20.glEnableVertexAttribArray(
GLES20.glGetAttribLocation(
program, "textureCoord")); // GLES20.glEnableVertexAttribArray(shader.maTextureHandle);
// Draw with indices
GLES20.glDrawElements(GLES20.GL_TRIANGLES, _indices.length, GLES20.GL_UNSIGNED_SHORT, _ib);
checkGlError("glDrawElements");
/** END DRAWING OBJECT ** */
}
/** @see Object3D#intersection(Object3D) */
public Object3D intersection(Object3D space) {
double cutxyX = 0.0, cutxzX = 0.0;
if (space instanceof Point3D) {
Point3D other = (Point3D) space;
if ((this.gradeY * other.x + this.offsetY == other.y)
&& (this.gradeZ * other.x + this.offsetZ == other.z)) return (Object3D) other.clone();
else return Object3DVoid;
}
if (space instanceof Line3D) {
Line3D test = (Line3D) space;
// Exclusion of parallel lines which never will intersect each others.
if (test.gradeY == this.gradeY) {
if (this.offsetY != test.offsetY)
return Object3DVoid; // parallel lines in x-y area (they will never touch in this
// dimension)
}
if (test.gradeZ == this.gradeZ) {
if (this.offsetZ != test.offsetZ)
return Object3DVoid; // parallel lines in x-z area (they will never touch in this
// dimension)
}
// mathematical search for the intersection point:
// has to cut in x-y dimension:
cutxyX = (this.offsetY - test.offsetY) / (test.gradeY - this.gradeY);
cutxzX = (this.offsetZ - test.offsetZ) / (test.gradeZ - this.gradeZ);
if (cutxyX == 0.0 / 0.0) {
// Parallel lines are caught above.
// In xy-dimension the lines are matching. (see calculation of cutxyX)
// Now there are two possibilities:
// - The lines are also matching in dimension xz (cutxzX is NaN too): If the x-ranges of
// both lines are overlapping "intersection" is true.
// - The lines have to cross: Check wether cutxzX is in x-range of both lines.
if (cutxzX == 0.0 / 0.0) {
if (!((this.end.x < test.start.x) // start.x is smaller end.x! (constructor)
|| (this.start.x > test.end.x))) {
Point3D startx = (this.start.x > test.start.x) ? this.start : test.start;
Point3D endx = (this.end.x < test.end.x) ? this.end : test.end;
return new Line3D(startx, endx);
} else return Object3DVoid;
} else {
// on zx-area it's not matching, so we have to check wether the intersection of both
// lines of the zx-area is within the x-bounds of both lines.
if ((cutxzX >= this.start.x)
&& (cutxzX <= this.end.x)
&& (cutxzX >= test.start.x)
&& (cutxzX <= test.end.x))
return new Point3D(
cutxzX, this.gradeY * cutxzX + this.offsetY, this.gradeZ * cutxzX + this.offsetZ);
else return Object3DVoid;
}
}
// The lines have an intersection in xy-dimension
else {
// this is the other way round:
// either in xz - dimension the lines are on the same way:
if (cutxzX == 0.0 / 0.0) {
// in zx - area the lines are matching in grade and offset.
// Then we will only have to check, wether the crossing of the lines in
// xy-dimension is within the x-bounds of both lines.
if ((cutxyX >= this.start.x)
&& (cutxyX <= this.end.x)
&& (cutxyX >= test.start.x)
&& (cutxyX <= test.end.x))
return new Point3D(
cutxyX, cutxyX * this.gradeY + this.offsetY, cutxyX * this.gradeZ + this.offsetZ);
else return Object3DVoid;
}
// The lines are crossing in xy and xz dimension:
// only if both x values cutxyX and cutxzX are equal and within the
// x-ranges of both lines this is an intersection:
else {
if ((cutxyX == cutxzX)
&& ((cutxyX >= this.start.x) && (cutxyX <= this.end.x))
&& ((cutxyX >= test.start.x) && (cutxyX <= test.end.x))) {
return new Point3D(
cutxyX, cutxyX * this.gradeY + this.offsetY, cutxyX * this.gradeZ + this.offsetZ);
} else return Object3DVoid;
}
}
}
return space.intersection(this);
}
// scale the selected objects
public void scaleObject(float factor) {
Object3D obj = solids.get(selectedObjIndex);
obj.scale(factor);
}
