public void shoot() {
// this is very similar to the above method
int maxIterations = 500;
float newX = 0, newY = 0, newZ = 0;
for (int i = 0; i < maxIterations; i += 1) {
newX =
-(controller.getX()
+ (float)
(-(i)
* (Math.sin(Math.toRadians(controller.getAngleX())))
* (Math.cos(Math.toRadians(controller.getAngleY())))));
newY =
-(controller.getY()
+ (float) (-(i) * (Math.sin(Math.toRadians(controller.getAngleY())))));
newZ =
-(controller.getZ()
+ (float)
((i)
* (Math.cos(Math.toRadians(controller.getAngleX())))
* (Math.cos(Math.toRadians(controller.getAngleY())))));
if (checkShootZombie(newX, newY, newZ)) break;
}
}
public void addCube(int x, int y, int z) {
Cube tempCube = new Cube("stoneTop.png", -x, -y, -z);
if (!collision(-x, -y, -z)
&& !collision(
(int) controller.getX(), (int) controller.getY(), (int) controller.getZ(), tempCube)) {
cubes.add(tempCube);
}
}
public void addZombie() {
// adds a zombie where the player is looking
float newX = 0, newZ = 0;
newX =
-(controller.getX()
+ (float)
(-(100)
* (Math.sin(Math.toRadians(controller.getAngleX())))
* (Math.cos(Math.toRadians(controller.getAngleY())))));
newZ =
-(controller.getZ()
+ (float)
((100)
* (Math.cos(Math.toRadians(controller.getAngleX())))
* (Math.cos(Math.toRadians(controller.getAngleY())))));
zombies.add(new Zombie(controller, zombieM, newX, newZ));
}
public void renderHud() {
glClear(GL_DEPTH_BUFFER_BIT);
glTranslatef(-controller.getX(), -controller.getY(), -controller.getZ());
glRotatef((float) (-controller.getRotX() * controller.mouseSpeed), 0.0f, 1.0f, 0.0f);
glRotatef((float) (-controller.getRotY() * -controller.mouseSpeed), 1.0f, 0.0f, 0.0f);
glColor3f(0f, 1.0f, 0f);
glLineWidth(2f);
glBegin(GL_LINES);
glVertex3f(-1.5f, 0f, -50f);
glVertex3f(-0.5f, 0f, -50f);
glVertex3f(0.5f, 0f, -50f);
glVertex3f(1.5f, 0f, -50f);
glVertex3f(0f, -1.5f, -50f);
glVertex3f(0f, -0.5f, -50f);
glVertex3f(0f, 0.5f, -50f);
glVertex3f(0f, 1.5f, -50f);
glEnd();
glColor3f(1f, 1f, 1f);
Model currentWeapon = null;
Texture weaponTexture = null;
switch (controller.getSelectedWeapon()) {
case 1:
currentWeapon = knife;
weaponTexture = knifeT;
break;
case 2:
currentWeapon = gun;
weaponTexture = gunT;
break;
case 3:
currentWeapon = m4;
weaponTexture = m4T;
break;
}
weaponTexture.bind();
for (Face face : currentWeapon.faces) {
Vector3f v1 = currentWeapon.verticies.get((int) face.vertex.x - 1);
Vector3f v2 = currentWeapon.verticies.get((int) face.vertex.y - 1);
Vector3f v3 = currentWeapon.verticies.get((int) face.vertex.z - 1);
Vector2f t1 = currentWeapon.textures.get((int) face.texture.x - 1);
Vector2f t2 = currentWeapon.textures.get((int) face.texture.y - 1);
Vector2f t3 = currentWeapon.textures.get((int) face.texture.z - 1);
glBegin(GL_TRIANGLES);
glTexCoord2f(t1.x, t1.y);
glVertex3f(
v1.x + controller.gunXOffset, v1.y + controller.gunYOffset, v1.z + controller.gunZOffset);
glTexCoord2f(t2.x, t2.y);
glVertex3f(
v2.x + controller.gunXOffset, v2.y + controller.gunYOffset, v2.z + controller.gunZOffset);
glTexCoord2f(t3.x, t3.y);
glVertex3f(
v3.x + controller.gunXOffset, v3.y + controller.gunYOffset, v3.z + controller.gunZOffset);
glEnd();
}
text.drawString("health:123 armor:123", -300, -200);
}
public void checkSelected() {
// this method highlights a cube if it is being looked at
// I use a method of ray tracing to check along the players line of sight
if (controller.getSelectedWeapon() != 1) return;
boolean anythingSelected = false;
int maxIterations = 500;
float newX = 0, newY = 0, newZ = 0;
for (int i = 0; i < maxIterations; i += 1) {
newX =
-(controller.getX()
+ (float)
(-(i)
* (Math.sin(Math.toRadians(controller.getAngleX())))
* (Math.cos(Math.toRadians(controller.getAngleY())))));
newY =
-(controller.getY()
+ (float) (-(i) * (Math.sin(Math.toRadians(controller.getAngleY())))));
newZ =
-(controller.getZ()
+ (float)
((i)
* (Math.cos(Math.toRadians(controller.getAngleX())))
* (Math.cos(Math.toRadians(controller.getAngleY())))));
if (collisionLooking(-newX, -newY, -newZ)) {
Cube selected = getCube(-(int) newX, -(int) newY, -(int) newZ);
int[][] sides = new int[6][3];
float[] differences = new float[6];
for (int j = 0; j < sides.length; j++) {
sides[j] = selected.getSideMid(j);
}
for (int j = 0; j < sides.length; j++) {
differences[j] =
(float)
Math.sqrt(
Math.pow((sides[j][0] - newX), 2)
+ Math.pow((sides[j][1] - newY), 2)
+ Math.pow((sides[j][2] - newZ), 2));
}
float smallest = differences[0];
for (int j = 0; j < differences.length; j++) {
if (differences[j] < smallest) smallest = differences[j];
}
int side = -1;
for (int j = 0; j < differences.length; j++) {
if (differences[j] == smallest) side = j;
}
selected.selectedSide[side] = true;
selectedCube = selected;
selectedSide = side;
anythingSelected = true;
break;
}
}
if (!anythingSelected) {
selectedCube = null;
selectedSide = -1;
}
}
