net.minecraft.util.math.MathHelper类的使用及代码示例

x33g5p2x  于2022-01-25 转载在 其他  
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本文整理了Java中net.minecraft.util.math.MathHelper类的一些代码示例，展示了MathHelper类的具体用法。这些代码示例主要来源于Github/Stackoverflow/Maven等平台，是从一些精选项目中提取出来的代码，具有较强的参考意义，能在一定程度帮忙到你。MathHelper类的具体详情如下：
包路径：net.minecraft.util.math.MathHelper
类名称：MathHelper

MathHelper介绍

暂无

代码示例

代码示例来源：origin: AppliedEnergistics/Applied-Energistics-2

public EnergyFx( final World par1World, final double par2, final double par4, final double par6, final Item par8Item )
{
  super( par1World, par2, par4, par6, par8Item );
  this.particleGravity = 0;
  this.particleBlue = 1;
  this.particleGreen = 1;
  this.particleRed = 1;
  this.particleAlpha = 1.4f;
  this.particleScale = 3.5f;
  this.particleTextureIndex = ParticleTextures.BlockEnergyParticle;
  this.startBlkX = MathHelper.floor( this.posX );
  this.startBlkY = MathHelper.floor( this.posY );
  this.startBlkZ = MathHelper.floor( this.posZ );
}

代码示例来源：origin: Vazkii/Botania

@Override
public int getMetadata(int stackMeta) {
  return MathHelper.clamp(stackMeta, 0, 15);
}

代码示例来源：origin: Vazkii/Botania

/**
 * Sets throwable heading based on an entity that's throwing it
 */
public void shoot(Entity entityThrower, float rotationPitchIn, float rotationYawIn, float pitchOffset, float velocity, float inaccuracy)
{
  float f = -MathHelper.sin(rotationYawIn * 0.017453292F) * MathHelper.cos(rotationPitchIn * 0.017453292F);
  float f1 = -MathHelper.sin((rotationPitchIn + pitchOffset) * 0.017453292F);
  float f2 = MathHelper.cos(rotationYawIn * 0.017453292F) * MathHelper.cos(rotationPitchIn * 0.017453292F);
  this.shoot((double)f, (double)f1, (double)f2, velocity, inaccuracy);
  this.motionX += entityThrower.motionX;
  this.motionZ += entityThrower.motionZ;
  if (!entityThrower.onGround)
  {
    this.motionY += entityThrower.motionY;
  }
}

代码示例来源：origin: Vazkii/Botania

/**
 * Updates the entity motion clientside, called by packets from the server
 */
@SideOnly(Side.CLIENT)
public void setVelocity(double x, double y, double z)
{
  this.motionX = x;
  this.motionY = y;
  this.motionZ = z;
  if (this.prevRotationPitch == 0.0F && this.prevRotationYaw == 0.0F)
  {
    float f = MathHelper.sqrt(x * x + z * z);
    this.rotationYaw = (float)(MathHelper.atan2(x, z) * (180D / Math.PI));
    this.rotationPitch = (float)(MathHelper.atan2(y, (double)f) * (180D / Math.PI));
    this.prevRotationYaw = this.rotationYaw;
    this.prevRotationPitch = this.rotationPitch;
  }
}

代码示例来源：origin: Vazkii/Botania

private static void renderItemInFirstPerson(AbstractClientPlayer player, float partialTicks, float interpPitch, EnumHand hand, float swingProgress, ItemStack stack, float equipProgress) throws Throwable {
  // Cherry picked from ItemRenderer.renderItemInFirstPerson
  boolean flag = hand == EnumHand.MAIN_HAND;
  EnumHandSide enumhandside = flag ? player.getPrimaryHand() : player.getPrimaryHand().opposite();
  GlStateManager.pushMatrix();
  boolean flag1 = enumhandside == EnumHandSide.RIGHT;
  float f = -0.4F * MathHelper.sin(MathHelper.sqrt(swingProgress) * (float)Math.PI);
  float f1 = 0.2F * MathHelper.sin(MathHelper.sqrt(swingProgress) * ((float)Math.PI * 2F));
  float f2 = -0.2F * MathHelper.sin(swingProgress * (float)Math.PI);
  int i = flag1 ? 1 : -1;
  GlStateManager.translate(i * f, f1, f2);
  transformSideFirstPerson(enumhandside, equipProgress);
  transformFirstPerson(enumhandside, swingProgress);
  doRender(enumhandside, partialTicks, stack);
  GlStateManager.popMatrix();
}

代码示例来源：origin: P3pp3rF1y/AncientWarfare2

private void calculatePistonPosition2(float crankAngleRadians, float radius, float length) {
    float cA = MathHelper.cos(crankAngleRadians);
    float sA = MathHelper.sin(crankAngleRadians);
    float pistonPos2 = radius * cA + MathHelper.sqrt(length * length - radius * radius * sA * sA);

    float bx = sA * radius;
    float by = cA * radius;
    float cx = -2f;

    armAngle2 = (float) Math.atan2(cx - bx, pistonPos2 - by);
  }
}

代码示例来源：origin: SleepyTrousers/EnderIO

public static float calculateLightRatio(World world) {
 int lightValue = EnumSkyBlock.SKY.defaultLightValue - world.getSkylightSubtracted();
 float sunAngle = world.getCelestialAngleRadians(1.0F);
 if (sunAngle < (float) Math.PI) {
  sunAngle += (0.0F - sunAngle) * 0.2F;
 } else {
  sunAngle += (((float) Math.PI * 2F) - sunAngle) * 0.2F;
 }
 lightValue = Math.round(lightValue * MathHelper.cos(sunAngle));
 lightValue = MathHelper.clamp(lightValue, 0, 15);
 return lightValue / 15f;
}

代码示例来源：origin: JurassiCraftTeam/JurassiCraft2

@Override
public boolean shouldEscapeWaterFast() {
int radiusXZ = 4;

for(BlockPos pos : BlockPos.getAllInBox(MathHelper.floor(this.posX - radiusXZ), MathHelper.floor(this.posY), MathHelper.floor(this.posZ - radiusXZ), MathHelper.ceil(this.posX + radiusXZ), MathHelper.ceil(this.posY), MathHelper.ceil(this.posZ + radiusXZ))) {
  if(!world.getBlockState(pos).getMaterial().isLiquid()) {
  return false;
  }
}
  return false;
}

代码示例来源：origin: Vazkii/Botania

@Override
public boolean addLandingEffects(IBlockState state, net.minecraft.world.WorldServer world, BlockPos blockPosition, IBlockState iblockstate, EntityLivingBase entity, int numberOfParticles )
{
  float f = MathHelper.ceil(entity.fallDistance - 3.0F);
  double d0 = Math.min(0.2F + f / 15.0F, 10.0F);
  if (d0 > 2.5D) {
    d0 = 2.5D;
  }
  int i = (int)(150.0D * d0);
  world.spawnParticle(EnumParticleTypes.BLOCK_DUST, entity.posX, entity.posY, entity.posZ, i, 0.0D, 0.0D, 0.0D, 0.15000000596046448D, Block.getStateId(ModBlocks.storage.getDefaultState().withProperty(BotaniaStateProps.STORAGE_VARIANT, StorageVariant.ELEMENTIUM)));
  return true;
}

代码示例来源：origin: P3pp3rF1y/AncientWarfare2

public float getDistanceFrom(Node node) {
  if (node == null) {
    return 0;
  }
  float x = this.x - node.x;
  float y = this.y - node.y;
  float z = this.z - node.z;
  return MathHelper.sqrt(x * x + y * y + z * z);
}

代码示例来源：origin: SleepyTrousers/EnderIO

public void faceEntity(Entity entityIn) {
 double d0 = entityIn.posX - this.posX;
 double d2 = entityIn.posZ - this.posZ;
 double d1;
 if (entityIn instanceof EntityLivingBase) {
  EntityLivingBase entitylivingbase = (EntityLivingBase) entityIn;
  d1 = entitylivingbase.posY + entitylivingbase.getEyeHeight() - (this.posY + this.getEyeHeight());
 } else {
  d1 = (entityIn.getEntityBoundingBox().minY + entityIn.getEntityBoundingBox().maxY) / 2.0D - (this.posY + this.getEyeHeight());
 }
 double d3 = MathHelper.sqrt(d0 * d0 + d2 * d2);
 rotationPitch = MathHelper.wrapDegrees((float) (-(MathHelper.atan2(d1, d3) * (180D / Math.PI))));
 rotationYaw = MathHelper.wrapDegrees((float) (MathHelper.atan2(d2, d0) * (180D / Math.PI)) - 90.0F);
}

代码示例来源：origin: JurassiCraftTeam/JurassiCraft2

@Override
  public void faceTarget(float yaw, float pitch, float rotationDivisor, AdvancedModelRenderer... boxes) {
    float actualRotationDivisor = rotationDivisor * boxes.length;
    float yawAmount = MathHelper.clamp(MathHelper.wrapDegrees(yaw), -45.0F, 45.0F) / (180.0F / (float) Math.PI) / actualRotationDivisor;
    float pitchAmount = MathHelper.wrapDegrees(pitch) / (180.0F / (float) Math.PI) / actualRotationDivisor;

    for (AdvancedModelRenderer box : boxes) {
      box.rotateAngleY += yawAmount;
      box.rotateAngleX += pitchAmount;
    }
  }
}

代码示例来源：origin: Vazkii/Botania

private double func_82214_u(int p_82214_1_)
{
  if (p_82214_1_ <= 0)
  {
    return posX;
  }
  else
  {
    float f = (renderYawOffset + 180 * (p_82214_1_ - 1)) / 180.0F * (float)Math.PI;
    float f1 = MathHelper.cos(f);
    return posX + f1 * 1.3D;
  }
}

代码示例来源：origin: AppliedEnergistics/Applied-Energistics-2

@Override
public int getExpDrop( IBlockState state, IBlockAccess world, BlockPos pos, int fortune )
{
  Random rand = world instanceof World ? ( (World) world ).rand : new Random();
  if( this.getItemDropped( state, rand, fortune ) != Item.getItemFromBlock( this ) )
  {
    return MathHelper.getInt( rand, 2, 5 );
  }
  return super.getExpDrop( state, world, pos, fortune );
}

代码示例来源：origin: Vazkii/Botania

private double func_82213_w(int p_82213_1_)
  {
    if (p_82213_1_ <= 0)
    {
      return posZ;
    }
    else
    {
      float f = (renderYawOffset + 180 * (p_82213_1_ - 1)) / 180.0F * (float)Math.PI;
      float f1 = MathHelper.sin(f);
      return posZ + f1 * 1.3D;
    }
  }
}

代码示例来源：origin: Vazkii/Botania

private static float getCheckingAngle(EntityLivingBase player, float base) {
  float yaw = MathHelper.wrapDegrees(player.rotationYaw) + 90F;
  int angles = 360;
  int segAngles = angles / SEGMENTS;
  float shift = segAngles / 2;
  if(yaw < 0)
    yaw = 180F + (180F + yaw);
  yaw -= 360F - base;
  float angle = 360F - yaw + shift;
  if(angle < 0)
    angle = 360F + angle;
  return angle;
}

代码示例来源：origin: TeamWizardry/Wizardry

public static float[] vecToRotations(Vec3d vec) {
  float yaw = (float) MathHelper.atan2(vec.z, vec.x);
  float pitch = (float) Math.asin(vec.y / vec.length());
  return new float[]{(float) Math.toDegrees(pitch), (float) Math.toDegrees(yaw) + 90};
}

代码示例来源：origin: P3pp3rF1y/AncientWarfare2

private void calculatePistonPosition1(float crankAngleRadians, float radius, float length) {
  float cA = MathHelper.cos(crankAngleRadians);
  float sA = MathHelper.sin(crankAngleRadians);
  float pistonPos = radius * cA + MathHelper.sqrt(length * length - radius * radius * sA * sA);
  float bx = sA * radius;
  float by = cA * radius;
  float cx = 0;
  armAngle = (float) Math.atan2(cx - bx, pistonPos - by);
}

代码示例来源：origin: Vazkii/Botania

/**
 * Similar to setArrowHeading, it's point the throwable entity to a x, y, z direction.
 */
public void shoot(double x, double y, double z, float velocity, float inaccuracy)
{
  float f = MathHelper.sqrt(x * x + y * y + z * z);
  x = x / (double)f;
  y = y / (double)f;
  z = z / (double)f;
  x = x + this.rand.nextGaussian() * 0.007499999832361937D * (double)inaccuracy;
  y = y + this.rand.nextGaussian() * 0.007499999832361937D * (double)inaccuracy;
  z = z + this.rand.nextGaussian() * 0.007499999832361937D * (double)inaccuracy;
  x = x * (double)velocity;
  y = y * (double)velocity;
  z = z * (double)velocity;
  this.motionX = x;
  this.motionY = y;
  this.motionZ = z;
  float f1 = MathHelper.sqrt(x * x + z * z);
  this.rotationYaw = (float)(MathHelper.atan2(x, z) * (180D / Math.PI));
  this.rotationPitch = (float)(MathHelper.atan2(y, (double)f1) * (180D / Math.PI));
  this.prevRotationYaw = this.rotationYaw;
  this.prevRotationPitch = this.rotationPitch;
  this.ticksInGround = 0;
}

代码示例来源：origin: Vazkii/Botania

private static void transformFirstPerson(EnumHandSide p_187453_1_, float p_187453_2_)
{
  int i = p_187453_1_ == EnumHandSide.RIGHT ? 1 : -1;
  // Botania - added
  GlStateManager.translate(p_187453_1_ == EnumHandSide.RIGHT ? 0.2F : 0.52F, -0.125F, p_187453_1_ == EnumHandSide.RIGHT ? 0.6F : 0.25F);
  GlStateManager.rotate(p_187453_1_ == EnumHandSide.RIGHT ? 60F : 120F, 0F, 1F, 0F);
  GlStateManager.rotate(30F, 0F, 0F, -1F);
  // End add
  float f = MathHelper.sin(p_187453_2_ * p_187453_2_ * (float)Math.PI);
  GlStateManager.rotate(i * (45.0F + f * -20.0F), 0.0F, 1.0F, 0.0F);
  float f1 = MathHelper.sin(MathHelper.sqrt(p_187453_2_) * (float)Math.PI);
  GlStateManager.rotate(i * f1 * -20.0F, 0.0F, 0.0F, 1.0F);
  GlStateManager.rotate(f1 * -80.0F, 1.0F, 0.0F, 0.0F);
  GlStateManager.rotate(i * -45.0F, 0.0F, 1.0F, 0.0F);
}

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