1 files changed, 113 insertions, 0 deletions
diff --git a/src/ru/olamedia/geom/SimpleQuadMesh.java b/src/ru/olamedia/geom/SimpleQuadMesh.java
new file mode 100644
index 0000000..42cf439
--- /dev/null
+++ b/src/ru/olamedia/geom/SimpleQuadMesh.java
@@ -0,0 +1,113 @@
+package ru.olamedia.geom;
+
+public class SimpleQuadMesh extends Mesh {
+
+	public SimpleQuadMesh(int size) {
+		super(size * 4);
+	}
+
+	private void addBottomLeftBackVertex() {
+		setPoint3f(-0.5f, -0.5f, -0.5f);
+	}
+
+	private void addBottomLeftFrontVertex() {
+		setPoint3f(-0.5f, -0.5f, 0.5f);
+	}
+
+	private void addBottomRightBackVertex() {
+		setPoint3f(0.5f, -0.5f, -0.5f);
+	}
+
+	private void addBottomRightFrontVertex() {
+		setPoint3f(0.5f, -0.5f, 0.5f);
+	}
+
+	private void addTopLeftBackVertex() {
+		setPoint3f(-0.5f, 0.5f, -0.5f);
+	}
+
+	private void addTopLeftFrontVertex() {
+		setPoint3f(-0.5f, 0.5f, 0.5f);
+	}
+
+	private void addTopRightBackVertex() {
+		setPoint3f(0.5f, 0.5f, -0.5f);
+	}
+
+	private void addTopRightFrontVertex() {
+		setPoint3f(0.5f, 0.5f, 0.5f);
+	}
+
+	public void addFrontQuad() {
+		// triangle strip: И
+		setUV(0, 1);
+		addTopLeftFrontVertex(); // top left
+		setUV(0, 0);
+		addBottomLeftFrontVertex(); // bottom left
+		setUV(1, 0);
+		addBottomRightFrontVertex(); // bottom right
+		setUV(1, 1);
+		addTopRightFrontVertex(); // top right
+	}
+
+	public void addBackQuad() {
+		// triangle strip: И
+		setUV(0, 1);
+		addTopRightBackVertex();
+		setUV(0, 0);
+		addBottomRightBackVertex();
+		setUV(1, 0);
+		addBottomLeftBackVertex();
+		setUV(1, 1);
+		addTopLeftBackVertex();
+	}
+
+	public void addLeftQuad() {
+		// triangle strip: И
+		setUV(0, 1);
+		addTopLeftBackVertex();
+		setUV(0, 0);
+		addBottomLeftBackVertex();
+		setUV(1, 0);
+		addBottomLeftFrontVertex();
+		setUV(1, 1);
+		addTopLeftFrontVertex();
+	}
+
+	public void addRightQuad() {
+		// triangle strip: И
+		setUV(0, 1);
+		addTopRightFrontVertex();
+		setUV(0, 0);
+		addBottomRightFrontVertex();
+		setUV(1, 0);
+		addBottomRightBackVertex();
+		setUV(1, 1);
+		addTopRightBackVertex();
+	}
+
+	public void addTopQuad() {
+		// triangle strip: И
+		setUV(0, 0);
+		addTopLeftBackVertex();
+		setUV(0, 1);
+		addTopLeftFrontVertex();
+		setUV(1, 1);
+		addTopRightFrontVertex();
+		setUV(1, 0);
+		addTopRightBackVertex();
+	}
+
+	public void addBottomQuad() {
+		// triangle strip: И
+		setUV(0, 0);
+		addBottomLeftFrontVertex();
+		setUV(0, 1);
+		addBottomLeftBackVertex();
+		setUV(1, 1);
+		addBottomRightBackVertex();
+		setUV(1, 0);
+		addBottomRightFrontVertex();
+	}
+
+}