Open source Star Ruler 2 source code!

2018-07-17 14:15:37 +02:00
commit cc307720ff
4342 changed files with 2365070 additions and 0 deletions
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+#include "beam_node.h"
+#include "render/driver.h"
+#include "aabbox.h"
+#include "frustum.h"
+#include "render/vertexBuffer.h"
+
+extern double pixelSizeRatio;
+
+namespace scene {
+	
+BeamNode::BeamNode(const render::RenderState* Material, float Width, const vec3d& startPoint, const vec3d& endPoint, bool StaticSize)
+	: material(Material), width(Width), endPosition(endPoint), staticSize(StaticSize), uvLength(1.f)
+{
+	position = abs_position = startPoint;
+	setFlag(NF_NoMatrix, true);
+	if(Material->baseMat != render::MAT_Solid)
+		setFlag(NF_Transparent, true);
+}
+
+bool BeamNode::preRender(render::RenderDriver& driver) {
+	auto& cam_pos = driver.cam_pos;
+
+	if(!visible)
+		return false;
+
+	line3dd line(abs_position, endPosition);
+	AABBoxd box(line);
+
+	if(box.overlaps(driver.getViewFrustum().bound)) {
+		sortDistance = line.getClosestPoint(cam_pos, false).distanceTo(cam_pos);
+		return true;
+	}
+	else {
+		return false;
+	}
+}
+
+void BeamNode::render(render::RenderDriver& driver) {
+	auto& cam_pos = driver.cam_pos;
+
+	double size = width * abs_scale;
+	if(staticSize)
+		size *= sortDistance /  pixelSizeRatio;
+
+	vec3d offset = (endPosition - abs_position).cross(driver.cam_facing).normalized(size);
+
+	auto* buffer = render::VertexBufferTCV::fetch(material);
+	auto* verts = buffer->request(1, render::PT_Quads);
+
+	Color col = color;
+
+	verts[0].pos = vec3f(abs_position + offset - cam_pos);
+	verts[0].uv = vec2f(0,0);
+	verts[0].col = col;
+
+	verts[1].pos = vec3f(endPosition + offset - cam_pos);
+	verts[1].uv = vec2f(uvLength,0);
+	verts[1].col = col;
+
+	verts[2].pos = vec3f(endPosition - offset - cam_pos);
+	verts[2].uv = vec2f(uvLength,1);
+	verts[2].col = col;
+
+	verts[3].pos = vec3f(abs_position - offset - cam_pos);
+	verts[3].uv = vec2f(0,1);
+	verts[3].col = col;
+}
+
+};