// mat4
protected T setParams(Parameter param, Matrix4 value) {
if (!programBegan) {
programBegan = true;
program.begin();
}
program.setUniformMatrix(param.mnemonic(), value);
return (T) this;
}
@Override
public void render(@NotNull ShaderProgram program) {
super.render(program);
if (!isVisible()) return;
program.setUniformMatrix(MODEL_VIEW, getCombinedTransoformation());
// program.setUniformMatrix(NORMAL, getCombinedTransoformation().toNormalMatrix());
material.apply(program);
model.render(program);
}
private void setupMatrices() {
if (!Gdx.graphics.isGL20Available()) {
GL10 gl = Gdx.gl10;
gl.glMatrixMode(GL10.GL_PROJECTION);
gl.glLoadMatrixf(projectionMatrix.val, 0);
gl.glMatrixMode(GL10.GL_MODELVIEW);
gl.glLoadMatrixf(transformMatrix.val, 0);
} else {
combinedMatrix.set(projectionMatrix).mul(transformMatrix);
if (customShader != null) {
customShader.setUniformMatrix("u_proj", projectionMatrix);
customShader.setUniformMatrix("u_trans", transformMatrix);
customShader.setUniformMatrix("u_projTrans", combinedMatrix);
customShader.setUniformi("u_texture", 0);
} else {
shader.setUniformMatrix("u_projectionViewMatrix", combinedMatrix);
shader.setUniformi("u_texture", 0);
}
}
}
public void flush() {
// if we've already flushed
if (idx == 0) return;
// sends our vertex data to the mesh
mesh.setVertices(verts);
// no need for depth...
Gdx.gl.glDepthMask(false);
// enable blending, for alpha
Gdx.gl.glEnable(GL20.GL_BLEND);
Gdx.gl.glBlendFunc(GL20.GL_SRC_ALPHA, GL20.GL_ONE_MINUS_SRC_ALPHA);
// number of vertices we need to render
int vertexCount = (idx / NUM_COMPONENTS);
cam.update();
// start the shader before setting any uniforms
shader.begin();
// update the projection matrix so our triangles are rendered in 2D
shader.setUniformMatrix("u_projTrans", cam.combined);
// render the mesh
mesh.render(shader, RENDER_TYPE, 0, vertexCount);
shader.end();
// re-enable depth to reset states to their default
Gdx.gl.glDepthMask(true);
// reset index to zero
idx = 0;
// reset verts
Arrays.fill(verts, 0);
}
// mat3
protected T setParam(Parameter param, Matrix3 value) {
program.begin();
program.setUniformMatrix(param.mnemonic(), value);
program.end();
return (T) this;
}
public void draw(Matrix4 mat) {
if (!body.isActive()) {
return;
}
Transform transform = body.getTransform();
texture.bind();
shader.begin();
shader.setUniformMatrix("u_projectionViewMatrix", mat);
for (FixtureData data : fixtureData) {
data.updateData(transform);
data.mesh.render(shader, GL20.GL_TRIANGLE_FAN, 0, data.vertices.length);
}
shader.end();
// chain.getVertex(0, v0);
// transform.mul(v0);
// chain.getVertex(1, v1);
// transform.mul(v1);
// chain.getVertex(2, v2);
// transform.mul(v2);
// chain.getVertex(3, v3);
// transform.mul(v3);
// mesh.setVertices(new float[] { -5f, -5f, 0, 0, 1, // bottom left
// 5f, -5f, 0, 1, 1, // bottom right
// 5f, 5f, 0, 1, 0, // top right
// -5f, 5f, 0, 0, 0 }); // top left
//
// mesh.setVertices(new float[] { v0.x, v0.y, 0, 0, 1, // bottom left
// v1.x, v1.y, 0, 1, 1, // bottom right
// v2.x, v2.y, 0, 1, 0, // top right
// v3.x, v3.y, 0, 0, 0 }); // top left
// System.out.println("--");
// Vector2 before = new Vector2();
// Vector2 current = new Vector2();
// Vector2 after = new Vector2();
// for (int i = 0; i < meshes.length; i++) {
// Fixture fixture = body.getFixtureList().get(i);
// PolygonShape poly = (PolygonShape) fixture.getShape();
//
// for (int j = 0; j < meshesData[i].length; j += 6) {
// int polyIndex = j / 6;
// poly.getVertex(polyIndex, current);
//
// // if (scale) {
// // poly.getVertex(polyIndex == 0 ? poly.getVertexCount() - 1 :
// polyIndex - 1, before);
// // poly.getVertex(polyIndex == poly.getVertexCount() - 1 ? 0 :
// polyIndex + 1, after);
// //
// // Vector2D vec1 = new Vector2D(new Point2D(after.x, after.y), new
// Point2D(current.x, current.y));
// // Vector2D vec2 = new Vector2D(new Point2D(before.x, before.y), new
// Point2D(current.x, current.y));
// //
// // double a1 = vec1.getAngle();
// // double a2 = vec2.getAngle();
// // double diff = a1 - a2;
// // double angle = (a1 + a2) / 2.0;
// //
// // if (diff > 0) {
// // angle -= Math.PI;
// // }
// //
// // System.out.println("angle1 " + a1 * 180 / Math.PI);
// // System.out.println("angle2 " + a2 * 180 / Math.PI);
// // System.out.println("diff " + diff * 180 / Math.PI);
// // System.out.println("center " + angle * 180 / Math.PI);
// //
// // Vector2D sum = new Vector2D(Math.cos(angle) * 0.2, Math.sin(angle) *
// 0.2);
// // sum.normalize();
// //
// // sum = sum.times(0.2);
// //
// // Vector2 newPoint = new Vector2(current.x + (float) sum.getX(),
// current.y + (float) sum.getY());
// //
// // transform.mul(newPoint);
// //
// // transform.mul(current);
// //
// // // poly.getVertex(polyIndex, newPoint);
// // // newPoint.mul(1.2f);
// // // transform.mul(newPoint);
// //
// // // batch.begin();
// // // batch.draw(texture, current.x * 20 + 200, current.y * 20 + 200);
// // // batch.draw(texture2, newPoint.x * 20 + 200, newPoint.y * 20 +
// 200);
// // // batch.end();
// // }
//
// transform.mul(current);
//
// meshesData[i][j] = current.x;
// meshesData[i][j + 1] = current.y;
// meshesData[i][j + 2] = 0;
//
// meshesData[i][j + 3] = colors[(color + i) % colors.length];
//
// meshesData[i][j + 4] = (float) Math.random();
// meshesData[i][j + 5] = (float) Math.random();
// }
//
// // render
// meshes[i].setVertices(meshesData[i]);
//
// shader.begin();
// shader.setUniformMatrix("u_projectionViewMatrix", mat);
// texture.bind();
// meshes[i].render(shader, GL20.GL_TRIANGLE_FAN, 0,
// poly.getVertexCount());
// shader.end();
// }
}
