93 lines
2.6 KiB
Rust
93 lines
2.6 KiB
Rust
use glium::{
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framebuffer::SimpleFrameBuffer, implement_vertex, index::PrimitiveType, uniform,
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uniforms::Sampler, IndexBuffer, Surface, VertexBuffer,
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};
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use resources::Shaders;
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use crate::resources::{self, Textures};
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use super::GameState;
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pub struct TestState;
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impl GameState for TestState {
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fn input(&mut self, resources: &mut anymap::AnyMap, event: &glium::glutin::event::Event<()>) {}
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fn update(&mut self, resources: &mut anymap::AnyMap, dt: f32) -> Option<Box<dyn GameState>> {
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None
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}
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fn render(
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&mut self,
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resources: &mut anymap::AnyMap,
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display: &glium::Display,
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target: &mut SimpleFrameBuffer,
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) {
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// Make vertex buffer
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let vertex_buffer = {
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#[derive(Clone, Copy)]
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struct Vertex {
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position: [f32; 2],
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tex_coords: [f32; 2],
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}
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implement_vertex!(Vertex, position, tex_coords);
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VertexBuffer::new(
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display,
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&[
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Vertex {
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position: [-1.0, -1.0],
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tex_coords: [0.0, 0.0],
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},
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Vertex {
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position: [-1.0, 1.0],
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tex_coords: [0.0, 1.0],
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},
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Vertex {
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position: [1.0, 1.0],
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tex_coords: [1.0, 1.0],
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},
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Vertex {
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position: [1.0, -1.0],
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tex_coords: [1.0, 0.0],
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},
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],
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)
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.unwrap()
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};
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let index_buffer =
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IndexBuffer::new(display, PrimitiveType::TriangleStrip, &[1 as u16, 2, 0, 3]).unwrap();
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let program = resources.get::<Shaders>().unwrap().get("basic").unwrap();
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let texture = resources
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.get::<Textures>()
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.unwrap()
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.get("tiles:dirt")
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.unwrap();
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let uniforms = uniform! {
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/*matrix: [
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[1.0,0.0,0.0],
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[0.0,1.0,0.0],
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[0.0,0.0,1.0 as f32],
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],*/
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matrix: cgmath::conv::array3x3(cgmath::Matrix3::from_nonuniform_scale(1.0/crate::SCREEN_WIDTH*16.0, 1.0/crate::SCREEN_HEIGHT*16.0)),
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texture: texture.sampled().magnify_filter(glium::uniforms::MagnifySamplerFilter::Nearest),
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};
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target
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.draw(
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&vertex_buffer,
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&index_buffer,
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program,
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&uniforms,
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&Default::default(),
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)
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.unwrap();
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}
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}
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