本文整理汇总了Java中net.minecraft.client.renderer.Tessellator.startDrawing方法的典型用法代码示例。如果您正苦于以下问题：Java Tessellator.startDrawing方法的具体用法？Java Tessellator.startDrawing怎么用？Java Tessellator.startDrawing使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类net.minecraft.client.renderer.Tessellator的用法示例。
在下文中一共展示了Tessellator.startDrawing方法的1个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的Java代码示例。
示例1: doRender_NeutralBeam
import net.minecraft.client.renderer.Tessellator; //导入方法依赖的package包/类
public void doRender_NeutralBeam(_ProjectileBase entity, double x, double y, double z, float yaw, float tick, float beamWidth)
{
//GL11.glPushMatrix();
//float f2 = par9;// (float) player.innerRotation + par9;
float f3 = MathHelper.sin(tick * 0.2F) / 2.0F + 0.5F;
f3 = (f3 * f3 + f3) * 0.2F;
float xPosEnd = (float) (entity.ownerX - entity.posX - (entity.prevPosX - entity.posX) * (double) (1.0F - tick));
float yPosEnd = (float) ((double) f3 + entity.ownerY - entity.posY - (entity.prevPosY - entity.posY) * (double) (1.0F - tick));
float zPosEnd = (float) (entity.ownerZ - entity.posZ - (entity.prevPosZ - entity.posZ) * (double) (1.0F - tick));
//for rotation/distance
float f7 = MathHelper.sqrt_float(xPosEnd * xPosEnd + zPosEnd * zPosEnd);
float f8 = MathHelper.sqrt_float(xPosEnd * xPosEnd + yPosEnd * yPosEnd + zPosEnd * zPosEnd);
// Changing the starting point here slightly, so it doesn't come out of the center
//int distance = 6; // Increasing this will likely increase the distance
//double adjustmentZ = -MathHelper.cos((entity.shootingEntity.rotationYaw) * (float)Math.PI / 180.0F) * (distance * 0.08);
//double adjustmentX = MathHelper.sin((entity.shootingEntity.rotationYaw) * (float)Math.PI / 180.0F) * (distance * 0.08);
// Start drawing (i think)
GL11.glTranslated((float) x, (float) y, (float) z); // Adjusted with distance to shooter
GL11.glRotatef((float) (-Math.atan2((double) zPosEnd, (double) xPosEnd)) * 180.0F / (float) Math.PI - 90.0F, 0.0F, 1.0F, 0.0F);
GL11.glRotatef((float) (-Math.atan2((double) f7, (double) yPosEnd)) * 180.0F / (float) Math.PI - 90.0F, 1.0F, 0.0F, 0.0F);
Tessellator tessellator = Tessellator.instance;
//Makes the beam look nice
RenderHelper.disableStandardItemLighting();
GL11.glDisable(GL11.GL_CULL_FACE);
//Shading?
GL11.glShadeModel(GL11.GL_SMOOTH);
//from what i can tell f9 and f10 make the beam change (looks like its rotating or whatnot)
float f9 = 0.0F - ((float) entity.ticksExisted + tick) * 0.01F;
float f10 = MathHelper.sqrt_float(xPosEnd * xPosEnd + yPosEnd * yPosEnd + zPosEnd * zPosEnd) / 32.0F - ((float) entity.ticksExisted + tick) * 0.01F;
// change draw mode
tessellator.startDrawing(5);
byte b0 = 8; // how many sides the circle has?
//float beamWidth = 0.15f;
for (int i = 0; i <= b0; ++i) // makes one side circular(fancy math stuff)
{
float f11 = MathHelper.sin((float) (i % b0) * (float) Math.PI * 2.0F / (float) b0) * beamWidth; // "changing the 2 or .75 should change size of circle"
float f12 = MathHelper.cos((float) (i % b0) * (float) Math.PI * 2.0F / (float) b0) * beamWidth; // The 2 seems to be there to describe a full circle
float f13 = (float) (i % b0) * 1.0F / (float) b0; // 1 makes it a half circle
tessellator.setColorOpaque_I(0);
tessellator.addVertexWithUV((double) (f11 * 0.2F), (double) (f12 * 0.2F), 0.0D, (double) f13, (double) f10); // Now how do I shorten the beam slightly
tessellator.setColorOpaque_I(16777215); // so it doesn't appear from the center of the shooter
tessellator.addVertexWithUV((double) f11, (double) f12, (double) f8, (double) f13, (double) f9);
}
tessellator.draw(); // draw added vertices
// reset openGl stuff?
GL11.glEnable(GL11.GL_CULL_FACE);
GL11.glShadeModel(GL11.GL_FLAT);
RenderHelper.enableStandardItemLighting();
GL11.glPopMatrix();
}