private void aimAtTarget() {
if (target == null) return;
int bowCharge = Minecraft.getMinecraft().thePlayer.getItemInUseDuration();
velocity = bowCharge / 20;
velocity = (velocity * velocity + velocity * 2) / 3;
if (WurstClient.INSTANCE.mods.fastBowMod.isActive()) velocity = 1;
if (velocity < 0.1) {
if (target instanceof EntityLivingBase)
EntityUtils.faceEntityClient((EntityLivingBase) target);
return;
}
if (velocity > 1) velocity = 1;
double posX =
target.posX + (target.posX - target.prevPosX) * 5 - Minecraft.getMinecraft().thePlayer.posX;
double posY =
target.posY
+ (target.posY - target.prevPosY) * 5
+ target.getEyeHeight()
- 0.15
- Minecraft.getMinecraft().thePlayer.posY
- Minecraft.getMinecraft().thePlayer.getEyeHeight();
double posZ =
target.posZ + (target.posZ - target.prevPosZ) * 5 - Minecraft.getMinecraft().thePlayer.posZ;
float yaw = (float) (Math.atan2(posZ, posX) * 180 / Math.PI) - 90;
double y2 = Math.sqrt(posX * posX + posZ * posZ);
float g = 0.006F;
float tmp =
(float)
(velocity * velocity * velocity * velocity
- g * (g * (y2 * y2) + 2 * posY * (velocity * velocity)));
float pitch =
(float) -Math.toDegrees(Math.atan((velocity * velocity - Math.sqrt(tmp)) / (g * y2)));
Minecraft.getMinecraft().thePlayer.rotationYaw = yaw;
Minecraft.getMinecraft().thePlayer.rotationPitch = pitch;
}
public void splash(double x, double strength, ParticleEmitter drops) {
int index = indexOf(x);
speeds[index] = strength * strength / 500;
Util.repeat(
(int) (strength * strength) / 2000,
() -> {
Vec2 dir = Vec2.fromPolar(Math.random(), Math.random() * Math.PI);
drops.particles.add(
new Particle(
new Vec2(x, heights[index]).add(dir), dir.multiply(50 * Math.sqrt(strength))));
});
}
/**
* Draw a gear wheel. You'll probably want to call this function when building a display list
* since we do a lot of trig here.
*
* @param inner_radius radius of hole at center
* @param outer_radius radius at center of teeth
* @param width width of gear
* @param teeth number of teeth
* @param tooth_depth depth of tooth
*/
private void gear(
float inner_radius, float outer_radius, float width, int teeth, float tooth_depth) {
int i;
float r0, r1, r2;
float angle, da;
float u, v, len;
r0 = inner_radius;
r1 = outer_radius - tooth_depth / 2.0f;
r2 = outer_radius + tooth_depth / 2.0f;
da = 2.0f * (float) Math.PI / teeth / 4.0f;
glShadeModel(GL_FLAT);
glNormal3f(0.0f, 0.0f, 1.0f);
/* draw front face */
glBegin(GL_QUAD_STRIP);
for (i = 0; i <= teeth; i++) {
angle = i * 2.0f * (float) Math.PI / teeth;
glVertex3f(r0 * (float) Math.cos(angle), r0 * (float) Math.sin(angle), width * 0.5f);
glVertex3f(r1 * (float) Math.cos(angle), r1 * (float) Math.sin(angle), width * 0.5f);
if (i < teeth) {
glVertex3f(r0 * (float) Math.cos(angle), r0 * (float) Math.sin(angle), width * 0.5f);
glVertex3f(
r1 * (float) Math.cos(angle + 3.0f * da),
r1 * (float) Math.sin(angle + 3.0f * da),
width * 0.5f);
}
}
glEnd();
/* draw front sides of teeth */
glBegin(GL_QUADS);
for (i = 0; i < teeth; i++) {
angle = i * 2.0f * (float) Math.PI / teeth;
glVertex3f(r1 * (float) Math.cos(angle), r1 * (float) Math.sin(angle), width * 0.5f);
glVertex3f(
r2 * (float) Math.cos(angle + da), r2 * (float) Math.sin(angle + da), width * 0.5f);
glVertex3f(
r2 * (float) Math.cos(angle + 2.0f * da),
r2 * (float) Math.sin(angle + 2.0f * da),
width * 0.5f);
glVertex3f(
r1 * (float) Math.cos(angle + 3.0f * da),
r1 * (float) Math.sin(angle + 3.0f * da),
width * 0.5f);
}
glEnd();
/* draw back face */
glBegin(GL_QUAD_STRIP);
for (i = 0; i <= teeth; i++) {
angle = i * 2.0f * (float) Math.PI / teeth;
glVertex3f(r1 * (float) Math.cos(angle), r1 * (float) Math.sin(angle), -width * 0.5f);
glVertex3f(r0 * (float) Math.cos(angle), r0 * (float) Math.sin(angle), -width * 0.5f);
glVertex3f(
r1 * (float) Math.cos(angle + 3 * da),
r1 * (float) Math.sin(angle + 3 * da),
-width * 0.5f);
glVertex3f(r0 * (float) Math.cos(angle), r0 * (float) Math.sin(angle), -width * 0.5f);
}
glEnd();
/* draw back sides of teeth */
glBegin(GL_QUADS);
for (i = 0; i < teeth; i++) {
angle = i * 2.0f * (float) Math.PI / teeth;
glVertex3f(
r1 * (float) Math.cos(angle + 3 * da),
r1 * (float) Math.sin(angle + 3 * da),
-width * 0.5f);
glVertex3f(
r2 * (float) Math.cos(angle + 2 * da),
r2 * (float) Math.sin(angle + 2 * da),
-width * 0.5f);
glVertex3f(
r2 * (float) Math.cos(angle + da), r2 * (float) Math.sin(angle + da), -width * 0.5f);
glVertex3f(r1 * (float) Math.cos(angle), r1 * (float) Math.sin(angle), -width * 0.5f);
}
glEnd();
/* draw outward faces of teeth */
glBegin(GL_QUAD_STRIP);
for (i = 0; i < teeth; i++) {
angle = i * 2.0f * (float) Math.PI / teeth;
glVertex3f(r1 * (float) Math.cos(angle), r1 * (float) Math.sin(angle), width * 0.5f);
glVertex3f(r1 * (float) Math.cos(angle), r1 * (float) Math.sin(angle), -width * 0.5f);
u = r2 * (float) Math.cos(angle + da) - r1 * (float) Math.cos(angle);
v = r2 * (float) Math.sin(angle + da) - r1 * (float) Math.sin(angle);
len = (float) Math.sqrt(u * u + v * v);
u /= len;
v /= len;
glNormal3f(v, -u, 0.0f);
glVertex3f(
r2 * (float) Math.cos(angle + da), r2 * (float) Math.sin(angle + da), width * 0.5f);
glVertex3f(
r2 * (float) Math.cos(angle + da), r2 * (float) Math.sin(angle + da), -width * 0.5f);
glNormal3f((float) Math.cos(angle), (float) Math.sin(angle), 0.0f);
glVertex3f(
r2 * (float) Math.cos(angle + 2 * da),
r2 * (float) Math.sin(angle + 2 * da),
width * 0.5f);
glVertex3f(
r2 * (float) Math.cos(angle + 2 * da),
r2 * (float) Math.sin(angle + 2 * da),
-width * 0.5f);
u = r1 * (float) Math.cos(angle + 3 * da) - r2 * (float) Math.cos(angle + 2 * da);
v = r1 * (float) Math.sin(angle + 3 * da) - r2 * (float) Math.sin(angle + 2 * da);
glNormal3f(v, -u, 0.0f);
glVertex3f(
r1 * (float) Math.cos(angle + 3 * da),
r1 * (float) Math.sin(angle + 3 * da),
width * 0.5f);
glVertex3f(
r1 * (float) Math.cos(angle + 3 * da),
r1 * (float) Math.sin(angle + 3 * da),
-width * 0.5f);
glNormal3f((float) Math.cos(angle), (float) Math.sin(angle), 0.0f);
}
glVertex3f(r1 * (float) Math.cos(0), r1 * (float) Math.sin(0), width * 0.5f);
glVertex3f(r1 * (float) Math.cos(0), r1 * (float) Math.sin(0), -width * 0.5f);
glEnd();
glShadeModel(GL_SMOOTH);
/* draw inside radius cylinder */
glBegin(GL_QUAD_STRIP);
for (i = 0; i <= teeth; i++) {
angle = i * 2.0f * (float) Math.PI / teeth;
glNormal3f(-(float) Math.cos(angle), -(float) Math.sin(angle), 0.0f);
glVertex3f(r0 * (float) Math.cos(angle), r0 * (float) Math.sin(angle), -width * 0.5f);
glVertex3f(r0 * (float) Math.cos(angle), r0 * (float) Math.sin(angle), width * 0.5f);
}
glEnd();
}
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;
}
}