4 files changed, 25 insertions, 11 deletions
diff --git a/source/dw/app.rs b/source/dw/app.rs
index 3fbc61f..b71be85 100644
--- a/source/dw/app.rs
+++ b/source/dw/app.rs
@@ -2,7 +2,7 @@
 
 extern crate glfw;
 
-use gl::types::GLuint;
+use gl::types::{GLint, GLuint};
 use glfw::{Glfw, Window, WindowEvent};
 use std::sync::atomic::AtomicBool;
 use std::sync::mpsc::Receiver;
@@ -11,6 +11,7 @@ pub struct Gfx {
 	evt:    Receiver<(f64, WindowEvent)>,
 	glfw:   Glfw,
 	shdprg: GLuint,
+	uni:    GLint,
 	win:    Window,
 }
 
diff --git a/source/dw/app/inigfx.rs b/source/dw/app/inigfx.rs
index d137c5a..ab21245 100644
--- a/source/dw/app/inigfx.rs
+++ b/source/dw/app/inigfx.rs
@@ -6,7 +6,8 @@ use crate::dw::app::{App, Gfx};
 extern crate gl;
 extern crate glfw;
 
-use gl::load_with;
+use gl::{GetUniformLocation, load_with};
+use gl::types::{GLchar, GLint};
 use glfw::{Context, FAIL_ON_ERRORS, init, SwapInterval, WindowHint};
 use std::ffi::c_void;
 
@@ -31,11 +32,16 @@ impl App {
 
 		let shdprg = self.getshdprg();
 
+		let uni: GLint = unsafe {
+			GetUniformLocation(shdprg, b"scl\x00".as_ptr() as *const GLchar)
+		};
+
 		return Gfx {
-			evt:   evt,
-			glfw:  glfw,
-			shdprg:shdprg,
-			win:   win,
+			evt:    evt,
+			glfw:   glfw,
+			shdprg: shdprg,
+			uni:    uni,
+			win:    win,
 		};
 	}
 }
diff --git a/source/dw/app/lop.rs b/source/dw/app/lop.rs
index 0a8f36b..1ffe764 100644
--- a/source/dw/app/lop.rs
+++ b/source/dw/app/lop.rs
@@ -6,7 +6,7 @@ use crate::dw::app::Gfx;
 extern crate gl;
 extern crate glfw;
 
-use gl::{ARRAY_BUFFER, BindBuffer, BufferData, BindVertexArray, BufferSubData, Clear, ClearColor, COLOR_BUFFER_BIT, DrawArrays, EnableVertexAttribArray, FALSE, FLOAT, GenBuffers, GenVertexArrays, STREAM_DRAW, TRIANGLES, UseProgram, VertexAttribPointer, Viewport};
+use gl::{ARRAY_BUFFER, BindBuffer, BufferData, BindVertexArray, BufferSubData, Clear, ClearColor, COLOR_BUFFER_BIT, DrawArrays, EnableVertexAttribArray, FALSE, FLOAT, GenBuffers, GenVertexArrays, STREAM_DRAW, TRIANGLES, Uniform1f, UseProgram, VertexAttribPointer, Viewport};
 use gl::types::{GLfloat, GLsizeiptr, GLuint};
 use glfw::Context;
 use std::ffi::c_void;
@@ -19,9 +19,9 @@ impl App {
 		eprintln!("entering main loop");
 
 		let vtx: [GLfloat; 0x9] = [
-			-0.707,-0.707, -0.707,
-			-0.707, 0.707, -0.707,
-			 0.707,-0.707, -0.707,
+			-1.0,-1.0,0.0,
+			 1.0,-1.0,0.0,
+			-1.0, 1.0,0.0,
 		];
 
 		let mut vao: GLuint = 0x0;
@@ -40,6 +40,8 @@ impl App {
 			EnableVertexAttribArray(0x0);
 		}
 
+		gfx.glfw.set_time(0.0);
+
 		while !gfx.win.should_close() {
 			unsafe {
 				if GOTINT.load(Ordering::Relaxed) {
@@ -61,6 +63,9 @@ impl App {
 				BufferSubData(ARRAY_BUFFER, 0x0, size_of_val(& vtx) as GLsizeiptr, addr_of!(vtx) as *const c_void);
 
 				UseProgram(gfx.shdprg);
+
+				Uniform1f(gfx.uni,(gfx.glfw.get_time()/16.0).powf(2.0) as f32);
+
 				BindVertexArray(vao);
 				DrawArrays(TRIANGLES, 0x0, 0x3*0x1);
 			}
diff --git a/source/dw/app/shader/main.vert.glsl b/source/dw/app/shader/main.vert.glsl
index 16df6f0..0ab36c8 100644
--- a/source/dw/app/shader/main.vert.glsl
+++ b/source/dw/app/shader/main.vert.glsl
@@ -2,6 +2,8 @@
 
 in vec3 pos;
 
+uniform float scl;
+
 void main(void) {
-	gl_Position = vec4(pos.x, pos.y, pos.z, 1.0f);
+	gl_Position = vec4(pos.x*scl, pos.y*scl, pos.z*scl, 1.0f);
 }