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.bluepowermod.part.lamp.PartFixture.java

License:Open Source License

@Override
@SideOnly(Side.CLIENT)//from   ww w.j  a va2 s.c  o  m
public void renderGlow(int pass) {

    Vec3dCube vector = new Vec3dCube(3 / 16D, 2 / 16D, 3 / 16D, 1.0 - (3 / 16D), 8 / 16D, 13 / 16D)
            .rotate(getFace(), Vec3d.center);

    double r = ((color.getHex() & 0xFF0000) >> 16) / 256D;
    double g = ((color.getHex() & 0x00FF00) >> 8) / 256D;
    double b = (color.getHex() & 0x0000FF) / 256D;
    if (pass == 1) {
        GL11.glEnable(GL11.GL_BLEND);
        GL11.glBlendFunc(GL11.GL_SRC_ALPHA, GL11.GL_ONE);
        GL11.glDisable(GL11.GL_TEXTURE_2D);
        GL11.glDisable(GL11.GL_LIGHTING);
        GL11.glBegin(GL11.GL_QUADS);
        com.bluepowermod.client.render.RenderHelper.drawColoredCube(vector.clone().expand(0.5 / 16D), r, g, b,
                ((inverted ? 255 - (power & 0xFF) : (power & 0xFF)) / 255D) * 0.625);
        GL11.glEnd();
        GL11.glEnable(GL11.GL_CULL_FACE);
        GL11.glEnable(GL11.GL_LIGHTING);
        GL11.glEnable(GL11.GL_TEXTURE_2D);
        GL11.glBlendFunc(GL11.GL_SRC_ALPHA, GL11.GL_ONE_MINUS_SRC_ALPHA);
        GL11.glDisable(GL11.GL_BLEND);
    }
}

From source file:com.bluepowermod.part.tube.TubeStack.java

License:Open Source License

@SideOnly(Side.CLIENT)
public void render(float partialTick) {
    if (renderMode == RenderMode.AUTO) {
        renderMode = Minecraft.getMinecraft().gameSettings.fancyGraphics ? RenderMode.NORMAL
                : RenderMode.REDUCED;/* w  w w.j  a  v a2  s  .c o  m*/
    }
    final RenderMode finalRenderMode = renderMode;

    if (customRenderItem == null) {
        customRenderItem = new RenderItem() {

            @Override
            public boolean shouldBob() {

                return false;
            };

            @Override
            public byte getMiniBlockCount(ItemStack stack, byte original) {

                return finalRenderMode == RenderMode.REDUCED ? (byte) 1 : original;
            }
        };
        customRenderItem.setRenderManager(RenderManager.instance);

        renderedItem = new EntityItem(FMLClientHandler.instance().getWorldClient());
        renderedItem.hoverStart = 0.0F;
    }

    renderedItem.setEntityItemStack(stack);

    double renderProgress = (oldProgress + (progress - oldProgress) * partialTick) * 2 - 1;

    GL11.glPushMatrix();
    GL11.glTranslated(heading.offsetX * renderProgress * 0.5, heading.offsetY * renderProgress * 0.5,
            heading.offsetZ * renderProgress * 0.5);
    if (finalRenderMode != RenderMode.NONE) {
        GL11.glPushMatrix();
        if (stack.stackSize > 5) {
            GL11.glScaled(0.8, 0.8, 0.8);
        }
        if (!(stack.getItem() instanceof ItemBlock)) {
            GL11.glScaled(0.8, 0.8, 0.8);
            GL11.glTranslated(0, -0.15, 0);
        }

        customRenderItem.doRender(renderedItem, 0, 0, 0, 0, 0);
        GL11.glPopMatrix();
    } else {
        float size = 0.02F;
        GL11.glDisable(GL11.GL_TEXTURE_2D);
        GL11.glBegin(GL11.GL_QUADS);
        RenderHelper.drawColoredCube(new Vec3dCube(-size, -size, -size, size, size, size), 1, 1, 1, 1);
        GL11.glEnd();
        GL11.glEnable(GL11.GL_TEXTURE_2D);
    }

    if (color != TubeColor.NONE) {

        float size = 0.2F;

        int colorInt = ItemDye.field_150922_c[color.ordinal()];
        float red = (colorInt >> 16) / 256F;
        float green = (colorInt >> 8 & 255) / 256F;
        float blue = (colorInt & 255) / 256F;

        GL11.glDisable(GL11.GL_CULL_FACE);
        GL11.glDisable(GL11.GL_LIGHTING);
        GL11.glColor3f(red, green, blue);
        Minecraft.getMinecraft().renderEngine
                .bindTexture(new ResourceLocation(Refs.MODID, "textures/blocks/tubes/inside_color_border.png"));
        RenderHelper.drawTesselatedTexturedCube(new Vec3dCube(-size, -size, -size, size, size, size));
        GL11.glEnable(GL11.GL_CULL_FACE);
        GL11.glEnable(GL11.GL_LIGHTING);
    }

    GL11.glPopMatrix();
}

From source file:com.breckinloggins.DrawUtils.java

License:Open Source License

public static void drawQuad(float x, float y, int size, float rotation) {
    int halfSize = size / 2;

    GL11.glPushMatrix();/* w w w.j  a  va2  s  .  c o  m*/
    {
        GL11.glTranslatef(x, y, 0);
        GL11.glRotatef(rotation, 0f, 0f, 1f);
        GL11.glTranslatef(-x, -y, 0);

        GL11.glBegin(GL11.GL_QUADS);
        {
            GL11.glVertex2f(x - halfSize, y - halfSize);
            GL11.glVertex2f(x + halfSize, y - halfSize);
            GL11.glVertex2f(x + halfSize, y + halfSize);
            GL11.glVertex2f(x - halfSize, y + halfSize);
        }
        GL11.glEnd();
    }
    GL11.glPopMatrix();
}

From source file:com.breckinloggins.DrawUtils.java

License:Open Source License

public static void drawCircle(int x, int y, int radius) {
    GL11.glBegin(GL11.GL_LINE_LOOP);

    for (int angle = 0; angle <= 360; angle += 5) {
        double rad = Math.toRadians(angle);
        GL11.glVertex2d(x + Math.sin(rad) * radius, y + Math.cos(rad) * radius);
    }/*from ww w  .  j a  v a2 s . c  o  m*/

    GL11.glEnd();

}

From source file:com.damagedearth.Utilities.Components.TrueTypeFont.java

License:Open Source License

public void drawString(float x, float y, String whatchars, int startIndex, int endIndex, float scaleX,
        float scaleY, int format) {

    IntObject intObject = null;//from www  . ja  v a2  s . co  m
    int charCurrent;

    int totalwidth = 0;
    int i = startIndex, d, c;
    float startY = 0;

    switch (format) {
    case ALIGN_RIGHT: {
        d = -1;
        c = correctR;

        while (i < endIndex) {
            if (whatchars.charAt(i) == '\n')
                startY -= fontHeight;
            i++;
        }
        break;
    }
    case ALIGN_CENTER: {
        for (int l = startIndex; l <= endIndex; l++) {
            charCurrent = whatchars.charAt(l);
            if (charCurrent == '\n')
                break;
            if (charCurrent < 256) {
                intObject = charArray[charCurrent];
            } else {
                intObject = (IntObject) customChars.get(new Character((char) charCurrent));
            }
            totalwidth += intObject.width - correctL;
        }
        totalwidth /= -2;
    }
    case ALIGN_LEFT:
    default: {
        d = 1;
        c = correctL;
        break;
    }

    }

    GL11.glEnable(GL11.GL_BLEND); // Enabled blending
    GL11.glBlendFunc(GL11.GL_SRC_ALPHA, GL11.GL_ONE_MINUS_SRC_ALPHA); // selects blending method
    GL11.glBindTexture(GL11.GL_TEXTURE_2D, fontTextureID);
    GL11.glEnable(GL11.GL_TEXTURE_2D);
    GL11.glBegin(GL11.GL_QUADS);

    while (i >= startIndex && i <= endIndex) {

        charCurrent = whatchars.charAt(i);
        if (charCurrent < 256) {
            intObject = charArray[charCurrent];
        } else {
            intObject = (IntObject) customChars.get(new Character((char) charCurrent));
        }

        if (intObject != null) {
            if (d < 0)
                totalwidth += (intObject.width - c) * d;
            if (charCurrent == '\n') {
                startY -= fontHeight * d;
                totalwidth = 0;
                if (format == ALIGN_CENTER) {
                    for (int l = i + 1; l <= endIndex; l++) {
                        charCurrent = whatchars.charAt(l);
                        if (charCurrent == '\n')
                            break;
                        if (charCurrent < 256) {
                            intObject = charArray[charCurrent];
                        } else {
                            intObject = (IntObject) customChars.get(new Character((char) charCurrent));
                        }
                        totalwidth += intObject.width - correctL;
                    }
                    totalwidth /= -2;
                }
                //if center get next lines total width/2;
            } else {
                drawQuad((totalwidth + intObject.width) * scaleX + x, startY * scaleY + y,
                        totalwidth * scaleX + x, (startY + intObject.height) * scaleY + y,
                        intObject.storedX + intObject.width, intObject.storedY + intObject.height,
                        intObject.storedX, intObject.storedY);
                if (d > 0)
                    totalwidth += (intObject.width - c) * d;
            }
            i += d;

        }
    }
    GL11.glEnd();

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

From source file:com.darkcart.xdolf.util.RenderUtils.java

License:Open Source License

public static void drawBorderedRect(double x, double y, double x2, double y2, float l1, int col1, int col2) {
    drawRect((float) x, (float) y, (float) x2, (float) y2, col2);

    float f = (float) (col1 >> 24 & 0xFF) / 255F;
    float f1 = (float) (col1 >> 16 & 0xFF) / 255F;
    float f2 = (float) (col1 >> 8 & 0xFF) / 255F;
    float f3 = (float) (col1 & 0xFF) / 255F;
    GL11.glPushMatrix();/*www  .  j  av a2 s  .  c o  m*/
    GL11.glEnable(GL11.GL_BLEND);
    GL11.glDisable(GL11.GL_TEXTURE_2D);
    GL11.glBlendFunc(GL11.GL_SRC_ALPHA, GL11.GL_ONE_MINUS_SRC_ALPHA);
    GL11.glEnable(GL11.GL_LINE_SMOOTH);

    GL11.glColor4f(f1, f2, f3, f);
    GL11.glLineWidth(l1);
    GL11.glBegin(GL11.GL_LINES);
    GL11.glVertex2d(x, y);
    GL11.glVertex2d(x, y2);
    GL11.glVertex2d(x2, y2);
    GL11.glVertex2d(x2, y);
    GL11.glVertex2d(x, y);
    GL11.glVertex2d(x2, y);
    GL11.glVertex2d(x, y2);
    GL11.glVertex2d(x2, y2);
    GL11.glEnd();

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

From source file:com.darkcart.xdolf.util.RenderUtils.java

License:Open Source License

public static void drawRect(float paramXStart, float paramYStart, float paramXEnd, float paramYEnd,
        int paramColor) {
    float alpha = (float) (paramColor >> 24 & 0xFF) / 255F;
    float red = (float) (paramColor >> 16 & 0xFF) / 255F;
    float green = (float) (paramColor >> 8 & 0xFF) / 255F;
    float blue = (float) (paramColor & 0xFF) / 255F;
    GL11.glPushMatrix();/*from w w w .j  a v  a 2 s  .co m*/
    GL11.glEnable(GL11.GL_BLEND);
    GL11.glDisable(GL11.GL_TEXTURE_2D);
    GL11.glBlendFunc(GL11.GL_SRC_ALPHA, GL11.GL_ONE_MINUS_SRC_ALPHA);
    GL11.glEnable(GL11.GL_LINE_SMOOTH);

    GL11.glColor4f(red, green, blue, alpha);
    GL11.glBegin(GL11.GL_QUADS);
    GL11.glVertex2d(paramXEnd, paramYStart);
    GL11.glVertex2d(paramXStart, paramYStart);
    GL11.glVertex2d(paramXStart, paramYEnd);
    GL11.glVertex2d(paramXEnd, paramYEnd);
    GL11.glEnd();

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

From source file:com.darkcart.xdolf.util.RenderUtils.java

License:Open Source License

public static void drawGradientRect(double x, double y, double x2, double y2, int col1, int col2) {
    float f = (float) (col1 >> 24 & 0xFF) / 255F;
    float f1 = (float) (col1 >> 16 & 0xFF) / 255F;
    float f2 = (float) (col1 >> 8 & 0xFF) / 255F;
    float f3 = (float) (col1 & 0xFF) / 255F;

    float f4 = (float) (col2 >> 24 & 0xFF) / 255F;
    float f5 = (float) (col2 >> 16 & 0xFF) / 255F;
    float f6 = (float) (col2 >> 8 & 0xFF) / 255F;
    float f7 = (float) (col2 & 0xFF) / 255F;

    GL11.glEnable(GL11.GL_BLEND);/* ww  w . j  a v a 2 s  .  c o  m*/
    GL11.glDisable(GL11.GL_TEXTURE_2D);
    GL11.glBlendFunc(GL11.GL_SRC_ALPHA, GL11.GL_ONE_MINUS_SRC_ALPHA);
    GL11.glEnable(GL11.GL_LINE_SMOOTH);
    GL11.glShadeModel(GL11.GL_SMOOTH);

    GL11.glPushMatrix();
    GL11.glBegin(GL11.GL_QUADS);
    GL11.glColor4f(f1, f2, f3, f);
    GL11.glVertex2d(x2, y);
    GL11.glVertex2d(x, y);

    GL11.glColor4f(f5, f6, f7, f4);
    GL11.glVertex2d(x, y2);
    GL11.glVertex2d(x2, y2);
    GL11.glEnd();
    GL11.glPopMatrix();

    GL11.glEnable(GL11.GL_TEXTURE_2D);
    GL11.glDisable(GL11.GL_BLEND);
    GL11.glDisable(GL11.GL_LINE_SMOOTH);
    GL11.glShadeModel(GL11.GL_FLAT);
}

From source file:com.darkcart.xdolf.util.RenderUtils.java

License:Open Source License

public static void drawGradientBorderedRect(double x, double y, double x2, double y2, float l1, int col1,
        int col2, int col3) {
    float f = (float) (col1 >> 24 & 0xFF) / 255F;
    float f1 = (float) (col1 >> 16 & 0xFF) / 255F;
    float f2 = (float) (col1 >> 8 & 0xFF) / 255F;
    float f3 = (float) (col1 & 0xFF) / 255F;

    GL11.glDisable(GL11.GL_TEXTURE_2D);/*from   w w  w .  j  av  a 2 s .  co m*/
    GL11.glBlendFunc(GL11.GL_SRC_ALPHA, GL11.GL_ONE_MINUS_SRC_ALPHA);
    GL11.glEnable(GL11.GL_LINE_SMOOTH);
    GL11.glDisable(GL11.GL_BLEND);

    GL11.glPushMatrix();
    GL11.glColor4f(f1, f2, f3, f);
    GL11.glLineWidth(1F);
    GL11.glBegin(GL11.GL_LINES);
    GL11.glVertex2d(x, y);
    GL11.glVertex2d(x, y2);
    GL11.glVertex2d(x2, y2);
    GL11.glVertex2d(x2, y);
    GL11.glVertex2d(x, y);
    GL11.glVertex2d(x2, y);
    GL11.glVertex2d(x, y2);
    GL11.glVertex2d(x2, y2);
    GL11.glEnd();
    GL11.glPopMatrix();

    drawGradientRect(x, y, x2, y2, col2, col3);

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

From source file:com.darkcart.xdolf.util.RenderUtils.java

License:Open Source License

public static void drawStrip(int x, int y, float width, double angle, float points, float radius, int color) {
    GL11.glPushMatrix();// ww  w  .  ja  v a  2 s.co m
    float f1 = (float) (color >> 24 & 255) / 255.0F;
    float f2 = (float) (color >> 16 & 255) / 255.0F;
    float f3 = (float) (color >> 8 & 255) / 255.0F;
    float f4 = (float) (color & 255) / 255.0F;
    GL11.glTranslatef(x, y, 0);
    GL11.glColor4f(f2, f3, f4, f1);
    GL11.glLineWidth(width);
    GL11.glEnable(GL11.GL_BLEND);
    GL11.glDisable(GL11.GL_DEPTH_TEST);
    GL11.glEnable(GL11.GL_LINE_SMOOTH);
    GL11.glDisable(GL11.GL_TEXTURE_2D);
    GL11.glDisable(GL11.GL_ALPHA_TEST);
    GL11.glBlendFunc(GL11.GL_SRC_ALPHA, GL11.GL_ONE_MINUS_SRC_ALPHA);
    GL11.glHint(GL11.GL_LINE_SMOOTH_HINT, GL11.GL_NICEST);
    GL11.glEnable(GL13.GL_MULTISAMPLE);

    if (angle > 0) {
        GL11.glBegin(GL11.GL_LINE_STRIP);

        for (int i = 0; i < angle; i++) {
            float a = (float) (i * (angle * Math.PI / points));
            float xc = (float) (Math.cos(a) * radius);
            float yc = (float) (Math.sin(a) * radius);
            GL11.glVertex2f(xc, yc);
        }

        GL11.glEnd();
    }

    if (angle < 0) {
        GL11.glBegin(GL11.GL_LINE_STRIP);

        for (int i = 0; i > angle; i--) {
            float a = (float) (i * (angle * Math.PI / points));
            float xc = (float) (Math.cos(a) * -radius);
            float yc = (float) (Math.sin(a) * -radius);
            GL11.glVertex2f(xc, yc);
        }

        GL11.glEnd();
    }

    GL11.glDisable(GL11.GL_BLEND);
    GL11.glEnable(GL11.GL_TEXTURE_2D);
    GL11.glDisable(GL11.GL_LINE_SMOOTH);
    GL11.glEnable(GL11.GL_ALPHA_TEST);
    GL11.glEnable(GL11.GL_DEPTH_TEST);
    GL11.glDisable(GL13.GL_MULTISAMPLE);
    GL11.glDisable(GL11.GL_MAP1_VERTEX_3);
    GL11.glPopMatrix();
}