[update] the triangles demo to be a lambda example.

Author: vmarcella

Cargo.lock

@@ -5,7 +5,6 @@ members = [
     "lambda",
     "crates/lambda-platform",
     "crates/lambda-args",
-    "tools/triangles_demo",
     "tools/obj_loader"
 ]
 

Cargo.toml

@@ -2,6 +2,7 @@
 #extension GL_ARB_separate_shader_objects : enable
 
 layout(location = 0) in vec4 vertex_color;
+
 layout(location = 0) out vec4 fragment_color;
 
 void main() {

lambda/assets/shaders/triangles.frag

@@ -1,22 +1,22 @@
 #version 450
 #extension GL_ARB_separate_shader_objects : enable
 
-layout(push_constant) uniform PushConstants {
+layout(push_constant) uniform PushConstant {
   vec4 color;
   vec2 pos;
   vec2 scale;
-} push_constants;
+} pcs;
 
 layout(location = 0) out vec4 vertex_color;
 
 vec2 positions[3] = vec2[](
-    vec2(0.0, -0.5),
-    vec2(-0.5, 0.5),
-    vec2(0.5, 0.5)
-    );
+  vec2(0.0, -0.5),
+  vec2(-0.5, 0.5),
+  vec2(0.5, 0.5)
+);
 
 void main() {
-  vec2 pos = positions[gl_VertexIndex] * push_constants.scale;
-  vertex_color = push_constants.color;
-  gl_Position = vec4((post + push_constants.pos), 0.0, 1.0);
+  vec2 position = positions[gl_VertexIndex] * pcs.scale;
+  vertex_color = pcs.color;
+  gl_Position = vec4((position + pcs.pos), 0.0, 1.0);
 }

lambda/assets/shaders/triangles.vert

@@ -220,14 +220,14 @@ impl Default for TrianglesComponent {
   fn default() -> Self {
     // Specify virtual shaders to use for rendering
     let triangle_vertex = VirtualShader::Source {
-      source: include_str!("../assets/triangles.vert").to_string(),
+      source: include_str!("../assets/shaders/triangles.vert").to_string(),
       kind: ShaderKind::Vertex,
       name: String::from("triangles"),
       entry_point: String::from("main"),
     };
 
     let triangle_fragment = VirtualShader::Source {
-      source: include_str!("../assets/triangles.frag").to_string(),
+      source: include_str!("../assets/shaders/triangles.frag").to_string(),
       kind: ShaderKind::Fragment,
       name: String::from("triangles"),
       entry_point: String::from("main"),