WebSVN - AndroidProjects - Blame - Rev 269 - /pingKGDX/desktop/src/com/gebauz/Bauzoid/graphics/sprite/Sprite.java

Rev	Author	Line No.	Line
265	chris	1	package com.gebauz.Bauzoid.graphics.sprite;
		2
		3	import com.badlogic.gdx.graphics.Texture;
		4	import com.gebauz.Bauzoid.graphics.Graphics;
		5	import com.gebauz.Bauzoid.graphics.GraphicsObject;
		6	import com.gebauz.Bauzoid.graphics.model.Geometry.PrimitiveType;
		7	import com.gebauz.Bauzoid.graphics.model.SimpleGeometry;
		8	import com.gebauz.Bauzoid.graphics.renderstates.RenderStates;
		9	import com.gebauz.Bauzoid.math.Matrix4;
		10	import com.gebauz.Bauzoid.math.Vector4;
		11
		12	/** Sprite class.
		13	* Implements a 2D sprite that renders from a portion of a
		14	* texture to a quad onscreen.
		15	*
		16	* The class is capable of
		17	* - Rotation and scale transformation via pivot point
		18	* - Fading (done through shader instead of setting vertex colors)
		19	*
		20	* For using multiple texture regions as frames,
		21	* use @link AtlasSprite.
		22	*/
		23	public class Sprite extends GraphicsObject
		24	{
		25	public float x = 0.0f;
		26	public float y = 0.0f;
		27	public float w = 0.0f;
		28	public float h = 0.0f;
		29	public float angle = 0.0f;
		30	public float alpha = 1.0f;
		31	public Vector4 color = new Vector4(1.0f, 1.0f, 1.0f, 1.0f);
		32
		33	public boolean mirrorX = false;
		34	public boolean mirrorY = false;
		35
		36	/** Rotation and scaling pivot point in absolute coordinates. */
		37	public float pivotX = 0.0f;
		38	public float pivotY = 0.0f;
		39
		40	protected Texture mTexture = null;
		41	protected SimpleGeometry mMesh = null;
		42
		43	/** Constructor by specifying a texture.
		44	* The texture's cleanup responsibility is subsequently owned by this Sprite.
		45	*/
		46	public Sprite(Graphics graphics, Texture texture)
		47	{
		48	super(graphics);
		49	mTexture = texture;
		50
		51	if (mTexture != null)
		52	{
		53	w = texture.getWidth();
		54	h = texture.getHeight();
		55	pivotX = w/2;
		56	pivotY = h/2;
		57	}
		58
		59	initGeometry();
		60	}
		61
		62	protected void initGeometry()
		63	{
		64	/*float[] vertices = {
		65	-1.0f, -1.0f, 0.0f,
		66	1.0f, -1.0f, 0.0f,
		67	1.0f, 1.0f, 0.0f,
		68	-1.0f, 1.0f, 0.0f
		69	};*/
		70
		71	float[] vertices = {
		72	0.0f, 0.0f, 0.0f,
		73	1.0f, 0.0f, 0.0f,
		74	1.0f, 1.0f, 0.0f,
		75	0.0f, 1.0f, 0.0f
		76	};
		77
		78	/*float[] vertices = {
		79	0, 0, 0.0f,
		80	64.0f, 0, 0.0f,
		81	64.0f, 64.0f, 0.0f,
		82	0, 64.0f, 0.0f
		83	}; */
		84
		85
		86	float[] texCoords = {
		87	0.0f, 0.0f,
		88	1.0f, 0.0f,
		89	1.0f, 1.0f,
		90	0.0f, 1.0f
		91	};
		92
		93	float[] colors = {
		94	0.5f, 0.3f, 0.8f,
		95	0.9f, 0.2f, 0.5f,
		96	0.2f, 0.8f, 0.7f,
		97	0.4f, 0.2f, 0.2f
		98	};
		99
		100	short[] indices = {
		101	0, 1, 2,
		102	0, 2, 3
		103	};
		104
		105	mMesh = new SimpleGeometry(getGraphics(), PrimitiveType.TRIANGLES);
		106	mMesh.setPositions(vertices);
		107	mMesh.setTexCoords(texCoords, true);
		108	mMesh.setColors(colors);
		109	mMesh.setIndices(indices);
		110	}
		111
		112	public void dispose()
		113	{
		114	if (mTexture != null)
		115	{
		116	mTexture.dispose();
		117	mTexture = null;
		118	}
		119	}
		120
		121	public void update(float deltaTime)
		122	{
		123
		124	}
		125
		126	public void render()
		127	{
		128	render(x, y, w, h);
		129	}
		130
		131	public void render(float _x, float _y, float _w, float _h)
		132	{
		133	SpriteShader shader = getGraphics().getSpriteShader();
		134	RenderStates rs = getRenderStates();
		135
		136	Matrix4 modelMatrix = Matrix4.multiply(Matrix4.createScale(_w, _h, 1.0f), Matrix4.createTranslation(-pivotX, -pivotY, 0));
		137
		138	modelMatrix = Matrix4.multiply(modelMatrix, Matrix4.createScale((mirrorX ? -1 : 1), (mirrorY ? -1 : 1), 1));
		139
		140	modelMatrix = Matrix4.multiply(modelMatrix, Matrix4.createRotationZ(angle));
		141
		142	modelMatrix = Matrix4.multiply(modelMatrix, Matrix4.createTranslation(_x, _y, 0));
		143
		144	rs.pushModelMatrix();
		145	{
		146	rs.model = modelMatrix;
		147
		148	// draw sprite
		149	shader.activate(mTexture, alpha, color);
		150	{
		151	rs.blending.setEnabled(true);
		152	rs.culling.setEnabled(false);
		153	rs.activate();
		154	{
		155	mMesh.render();
		156	}
		157	rs.deactivate();
		158	}
		159	shader.deactivate();
		160	}
		161	rs.popModelMatrix();
		162	}
269	chris	163
		164	/** Center the pivot. */
		165	public void centerPivot()
		166	{
		167	pivotX = w/2.0f;
		168	pivotY = h/2.0f;
		169	}
265	chris	170
		171	/** Get the sprite texture's total width. */
		172	public final int getTextureWidth()
		173	{
		174	if (mTexture == null)
		175	return 0;
		176	return mTexture.getWidth();
		177	}
		178
		179	/** Get the sprite texture's total height. */
		180	public final int getTextureHeight()
		181	{
		182	if (mTexture == null)
		183	return 0;
		184	return mTexture.getHeight();
		185	}
		186
		187	/** Get a reference to the texture. */
		188	public final Texture getTexture()
		189	{
		190	return mTexture;
		191	}
		192
		193	/** Set a new texture, with the old one (if any) getting destroyed. */
		194	public final void setTexture(Texture texture)
		195	{
		196	if (mTexture != null)
		197	mTexture.dispose();
		198
		199	mTexture = texture;
		200	}
		201	}
		202
		203

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(root)/pingKGDX/desktop/src/com/gebauz/Bauzoid/graphics/sprite/Sprite.java - Rev 269