Example usage for org.lwjgl.opengl GL11 glBegin

List of usage examples for org.lwjgl.opengl GL11 glBegin

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Introduction

In this page you can find the example usage for org.lwjgl.opengl GL11 glBegin.

Prototype

public static native void glBegin(@NativeType("GLenum") int mode);

Source Link

Document

Begins the definition of vertex attributes of a sequence of primitives to be transferred to the GL.

Usage

From source file:com.lukke100.sbdi.Draw.java

License:Open Source License

static public void drawCircle(double xCoord, double yCoord, double radius, int segments) {
    GL11.glColor3d(red, green, blue);//from w ww. j av  a2  s  .c o m
    GL11.glBegin(GL11.GL_TRIANGLE_FAN);
    // GL11.glVertex2d(xCoord, yCoord);
    double deltaAngle = (2 * Math.PI) / segments;
    for (double angle = 0; angle < Math.PI * 2; angle += deltaAngle) {
        GL11.glVertex2d(xCoord + Math.cos(angle) * radius, yCoord + Math.sin(angle) * radius);
    }
    GL11.glEnd();
}

From source file:com.lukke100.sbdi.Draw.java

License:Open Source License

static public void drawHollowCircle(double xCoord, double yCoord, double radius, int segments) {
    GL11.glColor3d(red, green, blue);/*w  w w . jav a2 s .co  m*/
    double theta = (2 * Math.PI) / segments;
    double c = Math.cos(theta);
    double s = Math.sin(theta);
    double t;

    double x = radius; // start at angle = 0
    double y = 0;

    GL11.glBegin(GL11.GL_LINE_LOOP);
    for (int ii = 0; ii < segments; ii++) {
        GL11.glVertex2d(x + xCoord, y + yCoord); // output vertex

        // apply the rotation matrix
        t = x;
        x = c * x - s * y;
        y = s * t + c * y;
    }
    GL11.glEnd();
}

From source file:com.lukke100.sbdi.Draw.java

License:Open Source License

static public void drawHollowRectangle(double xCoord, double yCoord, double width, double height) {
    GL11.glColor3d(red, green, blue);/*from  w w w  . j  av  a  2  s .c  o  m*/
    width--;
    height--;
    GL11.glBegin(GL11.GL_LINE_LOOP);
    GL11.glVertex2d(xCoord, yCoord);
    GL11.glVertex2d(xCoord + width, yCoord);
    GL11.glVertex2d(xCoord + width, yCoord + height);
    GL11.glVertex2d(xCoord, yCoord + height);
    GL11.glEnd();
}

From source file:com.lukke100.sbdi.Draw.java

License:Open Source License

static public void drawHollowSquare(double xCoord, double yCoord, double size) {
    GL11.glColor3d(red, green, blue);/*from w  w w .  j  a v  a2  s.c  o  m*/
    size--;
    GL11.glBegin(GL11.GL_LINE_LOOP);
    GL11.glVertex2d(xCoord, yCoord);
    GL11.glVertex2d(xCoord + size, yCoord);
    GL11.glVertex2d(xCoord + size, yCoord + size);
    GL11.glVertex2d(xCoord, yCoord + size);
    GL11.glEnd();
}

From source file:com.lukke100.sbdi.Draw.java

License:Open Source License

static public void drawRectangle(double xCoord, double yCoord, double width, double height) {
    GL11.glColor3d(red, green, blue);/* ww  w .  j  a  v a 2 s .  c  om*/
    GL11.glBegin(GL11.GL_QUADS);
    GL11.glVertex2d(xCoord, yCoord);
    GL11.glVertex2d(xCoord + width, yCoord);
    GL11.glVertex2d(xCoord + width, yCoord + height);
    GL11.glVertex2d(xCoord, yCoord + height);
    GL11.glEnd();
}

From source file:com.lukke100.sbdi.Draw.java

License:Open Source License

static public void drawSquare(double xCoord, double yCoord, double size) {
    GL11.glColor3d(red, green, blue);//from   w ww .  j  ava2 s  . c o m
    GL11.glBegin(GL11.GL_QUADS);
    GL11.glVertex2d(xCoord, yCoord);
    GL11.glVertex2d(xCoord + size, yCoord);
    GL11.glVertex2d(xCoord + size, yCoord + size);
    GL11.glVertex2d(xCoord, yCoord + size);
    GL11.glEnd();
}

From source file:com.mrcrayfish.furniture.render.tileentity.BlenderRenderer.java

License:Open Source License

@Override
public void renderTileEntityAt(TileEntity tileEntity, double posX, double posY, double posZ, float p_180535_8_,
        int p_180535_9_) {
    TileEntityBlender blender = (TileEntityBlender) tileEntity;
    ItemStack[] ingredients = blender.getIngredients();

    GL11.glPushMatrix();/*from  ww w .  j  a v  a 2 s. co  m*/
    GL11.glTranslatef((float) posX + 0.5F, (float) posY + 0.2F, (float) posZ + 0.5F);
    GL11.glScalef(0.65F, 0.65F, 0.65F);
    entityFood.hoverStart = 0.0F;
    for (int i = 0; i < ingredients.length; i++) {
        if (ingredients[i] != null) {
            entityFood.setEntityItemStack(ingredients[i]);
            GL11.glRotatef(i * -90F, 0, 1, 0);
            GL11.glRotatef(blender.progress * 18F, 0, 1, 0);
            Minecraft.getMinecraft().getRenderManager().renderEntityWithPosYaw(entityFood, 0.0D, 0.2D, 0.0D,
                    0.0F, 0.0F);
        }
    }
    GL11.glPopMatrix();

    if (blender.isBlending() | blender.drinkCount > 0) {
        Tessellator tessellator = Tessellator.getInstance();
        GL11.glPushMatrix();
        GL11.glTranslatef((float) posX + 0.5F, (float) posY + 0.05F, (float) posZ + 0.5F);
        GL11.glAlphaFunc(GL11.GL_GREATER, 0.1F);
        GL11.glDisable(GL11.GL_CULL_FACE);
        GL11.glDisable(GL11.GL_TEXTURE_2D);
        GL11.glDisable(GL11.GL_LIGHTING);
        GL11.glBlendFunc(GL11.GL_SRC_ALPHA, GL11.GL_ONE_MINUS_SRC_ALPHA);
        GL11.glEnable(GL11.GL_BLEND);

        float alpha = blender.isBlending() ? (blender.progress / 200F) : (blender.drinkCount > 0 ? 1.0F : 0.0F);
        GL11.glColor4f(blender.currentRed / 255F, blender.currentGreen / 255F, blender.currentBlue / 255F,
                alpha);

        float height = blender.isBlending() ? 0.8F : (0.275F + (0.525F * (blender.drinkCount / 6F)));
        GL11.glBegin(GL11.GL_QUADS);

        // North Face
        GL11.glVertex3d(-0.2, 0.275, -0.2);
        GL11.glVertex3d(0.2, 0.275, -0.2);
        GL11.glVertex3d(0.2, height, -0.2);
        GL11.glVertex3d(-0.2, height, -0.2);

        // South Face
        GL11.glVertex3d(-0.2, 0.275, 0.2);
        GL11.glVertex3d(0.2, 0.275, 0.2);
        GL11.glVertex3d(0.2, height, 0.2);
        GL11.glVertex3d(-0.2, height, 0.2);

        // West Face
        GL11.glVertex3d(-0.2, 0.275, -0.2);
        GL11.glVertex3d(-0.2, 0.275, 0.2);
        GL11.glVertex3d(-0.2, height, 0.2);
        GL11.glVertex3d(-0.2, height, -0.2);

        // East Face
        GL11.glVertex3d(0.2, 0.275, -0.2);
        GL11.glVertex3d(0.2, 0.275, 0.2);
        GL11.glVertex3d(0.2, height, 0.2);
        GL11.glVertex3d(0.2, height, -0.2);

        // Top Face
        GL11.glVertex3d(-0.2, height, -0.2);
        GL11.glVertex3d(0.2, height, -0.2);
        GL11.glVertex3d(0.2, height, 0.2);
        GL11.glVertex3d(-0.2, height, 0.2);

        // Bottom Face
        GL11.glVertex3d(-0.2, 0.275, -0.2);
        GL11.glVertex3d(0.2, 0.275, -0.2);
        GL11.glVertex3d(0.2, 0.275, 0.2);
        GL11.glVertex3d(-0.2, 0.275, 0.2);

        GL11.glEnd();

        GL11.glDisable(GL11.GL_BLEND);
        GL11.glEnable(GL11.GL_LIGHTING);
        GL11.glEnable(GL11.GL_TEXTURE_2D);
        GL11.glAlphaFunc(GL11.GL_GREATER, 0.5F);

        GL11.glPopMatrix();
    }
}

From source file:com.mrcrayfish.furniture.render.tileentity.CupRenderer.java

License:Open Source License

@Override
public void renderTileEntityAt(TileEntity tileEntity, double posX, double posY, double posZ, float p_180535_8_,
        int p_180535_9_) {
    TileEntityCup tileEntityCup = (TileEntityCup) tileEntity;
    if (tileEntityCup.getDrink() != null) {
        Tessellator tessellator = Tessellator.getInstance();
        GL11.glPushMatrix();/*from  ww w.  j  a  va  2  s.  c om*/
        GL11.glTranslatef((float) posX + 0.5F, (float) posY, (float) posZ + 0.5F);
        GL11.glAlphaFunc(GL11.GL_GREATER, 0.1F);
        GL11.glDisable(GL11.GL_CULL_FACE);
        GL11.glDisable(GL11.GL_TEXTURE_2D);
        GL11.glDisable(GL11.GL_LIGHTING);
        GL11.glBlendFunc(GL11.GL_SRC_ALPHA, GL11.GL_ONE_MINUS_SRC_ALPHA);
        GL11.glEnable(GL11.GL_BLEND);

        GL11.glColor4f(tileEntityCup.red / 255F, tileEntityCup.green / 255F, tileEntityCup.blue / 255F, 1.0F);

        GL11.glBegin(GL11.GL_QUADS);

        // North Face
        GL11.glVertex3d(-0.125, 0.5 * 0.0625, -0.125);
        GL11.glVertex3d(0.125, 0.5 * 0.0625, -0.125);
        GL11.glVertex3d(0.125, 0.4, -0.125);
        GL11.glVertex3d(-0.125, 0.4, -0.125);

        // South Face
        GL11.glVertex3d(-0.125, 0.5 * 0.0625, 0.125);
        GL11.glVertex3d(0.125, 0.5 * 0.0625, 0.125);
        GL11.glVertex3d(0.125, 0.4, 0.125);
        GL11.glVertex3d(-0.125, 0.4, 0.125);

        // West Face
        GL11.glVertex3d(-0.125, 0.5 * 0.0625, -0.125);
        GL11.glVertex3d(-0.125, 0.5 * 0.0625, 0.125);
        GL11.glVertex3d(-0.125, 0.4, 0.125);
        GL11.glVertex3d(-0.125, 0.4, -0.125);

        // East Face
        GL11.glVertex3d(0.125, 0.5 * 0.0625, -0.125);
        GL11.glVertex3d(0.125, 0.5 * 0.0625, 0.125);
        GL11.glVertex3d(0.125, 0.4, 0.125);
        GL11.glVertex3d(0.125, 0.4, -0.125);

        // Top Face
        GL11.glVertex3d(-0.125, 0.4, -0.125);
        GL11.glVertex3d(0.125, 0.4, -0.125);
        GL11.glVertex3d(0.125, 0.4, 0.125);
        GL11.glVertex3d(-0.125, 0.4, 0.125);

        // Bottom Face
        GL11.glVertex3d(-0.125, 0.5 * 0.0625, -0.125);
        GL11.glVertex3d(0.125, 0.5 * 0.0625, -0.125);
        GL11.glVertex3d(0.125, 0.5 * 0.0625, 0.125);
        GL11.glVertex3d(-0.125, 0.5 * 0.0625, 0.125);

        GL11.glEnd();

        GL11.glDisable(GL11.GL_BLEND);
        GL11.glEnable(GL11.GL_LIGHTING);
        GL11.glEnable(GL11.GL_TEXTURE_2D);
        GL11.glAlphaFunc(GL11.GL_GREATER, 0.5F);

        GL11.glPopMatrix();
    }
}

From source file:com.mtbs3d.minecrift.VRRenderer.java

License:LGPL

public void drawQuad() {
    // this func just draws a perfectly normal box with some texture coordinates
    GL11.glBegin(GL11.GL_QUADS);

    // Front Face
    GL11.glTexCoord2f(0.0f, 0.0f);//w  ww .  j  a  v a  2  s  . co m
    GL11.glVertex3f(-1.0f, -1.0f, 0.0f); // Bottom Left Of The Texture and Quad
    GL11.glTexCoord2f(1.0f, 0.0f);
    GL11.glVertex3f(1.0f, -1.0f, 0.0f); // Bottom Right Of The Texture and Quad
    GL11.glTexCoord2f(1.0f, 1.0f);
    GL11.glVertex3f(1.0f, 1.0f, 0.0f); // Top Right Of The Texture and Quad
    GL11.glTexCoord2f(0.0f, 1.0f);
    GL11.glVertex3f(-1.0f, 1.0f, 0.0f); // Top Left Of The Texture and Quad

    GL11.glEnd();
}

From source file:com.mtbs3d.minecrift.VRRenderer.java

License:LGPL

public void drawLatencyTesterColoredQuad(float r, float g, float b, float a) {
    GL11.glDisable(GL11.GL_TEXTURE_2D);//from  w  w  w.  java2  s .  c  o  m
    GL11.glEnable(GL11.GL_BLEND);

    // Setup ortho projection
    GL11.glMatrixMode(GL11.GL_PROJECTION);
    GL11.glLoadIdentity();
    GL11.glMatrixMode(GL11.GL_MODELVIEW);
    GL11.glLoadIdentity();

    GL11.glTranslatef(0.0f, 0.0f, -0.7f);

    // Cover the appropriate areas of the screen with the colored quad
    GL11.glBegin(GL11.GL_QUADS);

    GL11.glColor4f(r, g, b, a);

    GL11.glVertex3f(-0.6f, -0.6f, 0.0f); // Bottom Left Of The Texture and Quad
    GL11.glVertex3f(0.6f, -0.6f, 0.0f); // Bottom Right Of The Texture and Quad
    GL11.glVertex3f(0.6f, 0.6f, 0.0f); // Top Right Of The Texture and Quad
    GL11.glVertex3f(-0.6f, 0.6f, 0.0f); // Top Left Of The Texture and Quad

    GL11.glEnd();

    GL11.glDisable(GL11.GL_BLEND);
    GL11.glEnable(GL11.GL_TEXTURE_2D);
}